Instead of letting all parts of the kernel have direct access to
tsk->pid and tgid, make them use a accessor functions: task_{p,tg}id().
This will need to be done for a few other fields, but I decided to start
with those two. Note that pid has been renamed __pid to make sure that
any uncaught users will error out.
Note that this is very similar to what the vserver vx_map_pid() does,
and doing something like this should shrink their patch.
Our next patchset can find all the places where a pid crosses the
user<->kernel boundary, and do the correct conversions. Perhaps some
sparse annotations will allow us to do this more automatically, instead
of auditing everything. We could have a concept of __user for pids, not
just pointers.
This first patch changes the pid accesses under drivers/.
Signed-off-by: Dave Hansen <[email protected]>
Signed-off-by: Serge Hallyn <[email protected]>
---
block/cfq-iosched.c | 4 ++--
block/ll_rw_blk.c | 2 +-
drivers/acorn/block/fd1772.c | 2 +-
drivers/acpi/osl.c | 2 +-
drivers/block/ataflop.c | 2 +-
drivers/block/nbd.c | 2 +-
drivers/cdrom/cdrom.c | 2 +-
drivers/cdrom/mcdx.c | 2 +-
drivers/cdrom/sbpcd.c | 4 ++--
drivers/char/agp/frontend.c | 6 +++---
drivers/char/cyclades.c | 10 +++++-----
drivers/char/drm/drm_bufs.c | 2 +-
drivers/char/drm/drm_drv.c | 2 +-
drivers/char/drm/drm_fops.c | 8 ++++----
drivers/char/drm/drm_lock.c | 6 +++---
drivers/char/drm/drm_os_linux.h | 2 +-
drivers/char/drm/drm_vm.c | 2 +-
drivers/char/drm/i810_dma.c | 2 +-
drivers/char/drm/i830_dma.c | 2 +-
drivers/char/n_r3964.c | 12 ++++++------
drivers/char/random.c | 2 +-
drivers/char/rio/linux_compat.h | 2 +-
drivers/char/snsc_event.c | 2 +-
drivers/char/sx.c | 2 +-
drivers/char/sysrq.c | 2 +-
drivers/char/tty_io.c | 6 +++---
drivers/char/vt_ioctl.c | 4 ++--
drivers/input/joystick/iforce/iforce-main.c | 8 ++++----
drivers/input/joystick/iforce/iforce.h | 4 ++--
drivers/macintosh/adb.c | 8 ++++----
drivers/md/bitmap.c | 4 ++--
drivers/md/md.c | 6 +++---
drivers/media/video/zoran_driver.c | 4 ++--
drivers/net/slip.c | 6 +++---
drivers/net/tun.c | 2 +-
drivers/net/wireless/hostap/hostap_ioctl.c | 2 +-
drivers/oprofile/buffer_sync.c | 4 ++--
drivers/s390/char/fs3270.c | 2 +-
drivers/s390/crypto/z90main.c | 4 ++--
drivers/s390/s390mach.c | 2 +-
drivers/scsi/53c7xx.c | 2 +-
drivers/scsi/dc395x.c | 4 ++--
drivers/scsi/eata_pio.c | 2 +-
drivers/serial/crisv10.c | 4 ++--
drivers/usb/core/devio.c | 6 +++---
drivers/usb/input/hid-lgff.c | 8 ++++----
drivers/usb/input/hid-tmff.c | 8 ++++----
drivers/usb/input/pid.c | 8 ++++----
48 files changed, 97 insertions(+), 97 deletions(-)
Index: linux-2.6.15/drivers/acorn/block/fd1772.c
===================================================================
--- linux-2.6.15.orig/drivers/acorn/block/fd1772.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/acorn/block/fd1772.c 2006-01-17 08:36:53.000000000 -0500
@@ -1275,7 +1275,7 @@
{
unsigned long flags;
- DPRINT(("do_fd_request for pid %d\n", current->pid));
+ DPRINT(("do_fd_request for pid %d\n", task_pid(current)));
if (fdc_busy) return;
save_flags(flags);
cli();
Index: linux-2.6.15/drivers/acpi/osl.c
===================================================================
--- linux-2.6.15.orig/drivers/acpi/osl.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/acpi/osl.c 2006-01-17 08:36:53.000000000 -0500
@@ -931,7 +931,7 @@
u32 acpi_os_get_thread_id(void)
{
if (!in_atomic())
- return current->pid;
+ return task_pid(current);
return 0;
}
Index: linux-2.6.15/drivers/block/ataflop.c
===================================================================
--- linux-2.6.15.orig/drivers/block/ataflop.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/block/ataflop.c 2006-01-17 08:36:53.000000000 -0500
@@ -1470,7 +1470,7 @@
{
unsigned long flags;
- DPRINT(("do_fd_request for pid %d\n",current->pid));
+ DPRINT(("do_fd_request for pid %d\n",task_pid(current)));
while( fdc_busy ) sleep_on( &fdc_wait );
fdc_busy = 1;
stdma_lock(floppy_irq, NULL);
Index: linux-2.6.15/drivers/block/nbd.c
===================================================================
--- linux-2.6.15.orig/drivers/block/nbd.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/block/nbd.c 2006-01-17 08:36:53.000000000 -0500
@@ -182,7 +182,7 @@
siginfo_t info;
spin_lock_irqsave(¤t->sighand->siglock, flags);
printk(KERN_WARNING "nbd (pid %d: %s) got signal %d\n",
- current->pid, current->comm,
+ task_pid(current), current->comm,
dequeue_signal(current, ¤t->blocked, &info));
spin_unlock_irqrestore(¤t->sighand->siglock, flags);
result = -EINTR;
Index: linux-2.6.15/drivers/cdrom/cdrom.c
===================================================================
--- linux-2.6.15.orig/drivers/cdrom/cdrom.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/cdrom/cdrom.c 2006-01-17 08:36:53.000000000 -0500
@@ -1097,7 +1097,7 @@
is the default case! */
cdinfo(CD_OPEN, "bummer. wrong media type.\n");
cdinfo(CD_WARNING, "pid %d must open device O_NONBLOCK!\n",
- (unsigned int)current->pid);
+ (unsigned int)task_pid(current));
ret=-EMEDIUMTYPE;
goto clean_up_and_return;
}
Index: linux-2.6.15/drivers/cdrom/mcdx.c
===================================================================
--- linux-2.6.15.orig/drivers/cdrom/mcdx.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/cdrom/mcdx.c 2006-01-17 08:36:53.000000000 -0500
@@ -1351,7 +1351,7 @@
sector + nr_sectors)
? stuffp->high_border : border;
- stuffp->lock = current->pid;
+ stuffp->lock = task_pid(current);
do {
Index: linux-2.6.15/drivers/cdrom/sbpcd.c
===================================================================
--- linux-2.6.15.orig/drivers/cdrom/sbpcd.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/cdrom/sbpcd.c 2006-01-17 08:36:53.000000000 -0500
@@ -4854,14 +4854,14 @@
if (!req)
{
printk( "do_sbpcd_request[%di](NULL), Pid:%d, Time:%li\n",
- xnr, current->pid, jiffies);
+ xnr, task_pid(current), jiffies);
printk( "do_sbpcd_request[%do](NULL) end 0 (null), Time:%li\n",
xnr, jiffies);
return;
}
printk(" do_sbpcd_request[%di](%p:%ld+%ld), Pid:%d, Time:%li\n",
- xnr, req, req->sector, req->nr_sectors, current->pid, jiffies);
+ xnr, req, req->sector, req->nr_sectors, task_pid(current), jiffies);
#endif
req = elv_next_request(q); /* take out our request so no other */
Index: linux-2.6.15/drivers/char/agp/frontend.c
===================================================================
--- linux-2.6.15.orig/drivers/char/agp/frontend.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/agp/frontend.c 2006-01-17 08:36:53.000000000 -0500
@@ -611,7 +611,7 @@
if ((size + offset) > current_size)
goto out_inval;
- client = agp_find_client_by_pid(current->pid);
+ client = agp_find_client_by_pid(task_pid(current));
if (client == NULL)
goto out_eperm;
@@ -708,13 +708,13 @@
goto err_out_nomem;
set_bit(AGP_FF_ALLOW_CLIENT, &priv->access_flags);
- priv->my_pid = current->pid;
+ priv->my_pid = task_pid(current);
if ((current->uid == 0) || (current->suid == 0)) {
/* Root priv, can be controller */
set_bit(AGP_FF_ALLOW_CONTROLLER, &priv->access_flags);
}
- client = agp_find_client_by_pid(current->pid);
+ client = agp_find_client_by_pid(task_pid(current));
if (client != NULL) {
set_bit(AGP_FF_IS_CLIENT, &priv->access_flags);
Index: linux-2.6.15/drivers/char/cyclades.c
===================================================================
--- linux-2.6.15.orig/drivers/char/cyclades.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/cyclades.c 2006-01-17 08:36:54.000000000 -0500
@@ -2361,7 +2361,7 @@
CY_UNLOCK(info, flags);
#ifdef CY_DEBUG_COUNT
printk("cyc block_til_ready: (%d): decrementing count to %d\n",
- current->pid, info->count);
+ task_pid(current), info->count);
#endif
info->blocked_open++;
@@ -2478,7 +2478,7 @@
info->count++;
#ifdef CY_DEBUG_COUNT
printk("cyc:block_til_ready (%d): incrementing count to %d\n",
- current->pid, info->count);
+ task_pid(current), info->count);
#endif
}
info->blocked_open--;
@@ -2579,7 +2579,7 @@
info->count++;
#ifdef CY_DEBUG_COUNT
printk("cyc:cy_open (%d): incrementing count to %d\n",
- current->pid, info->count);
+ task_pid(current), info->count);
#endif
if (!tmp_buf) {
page = get_zeroed_page(GFP_KERNEL);
@@ -2745,7 +2745,7 @@
}
#ifdef CY_DEBUG_COUNT
printk("cyc:cy_close at (%d): decrementing count to %d\n",
- current->pid, info->count - 1);
+ task_pid(current), info->count - 1);
#endif
if (--info->count < 0) {
#ifdef CY_DEBUG_COUNT
@@ -4472,7 +4472,7 @@
info->event = 0;
info->count = 0;
#ifdef CY_DEBUG_COUNT
- printk("cyc:cy_hangup (%d): setting count to 0\n", current->pid);
+ printk("cyc:cy_hangup (%d): setting count to 0\n", task_pid(current));
#endif
info->tty = NULL;
info->flags &= ~ASYNC_NORMAL_ACTIVE;
Index: linux-2.6.15/drivers/char/drm/drm_bufs.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_bufs.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_bufs.c 2006-01-17 08:36:54.000000000 -0500
@@ -1434,7 +1434,7 @@
buf = dma->buflist[idx];
if (buf->filp != filp) {
DRM_ERROR("Process %d freeing buffer not owned\n",
- current->pid);
+ task_pid(current));
return -EINVAL;
}
drm_free_buffer(dev, buf);
Index: linux-2.6.15/drivers/char/drm/drm_drv.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_drv.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_drv.c 2006-01-17 08:36:54.000000000 -0500
@@ -473,7 +473,7 @@
++priv->ioctl_count;
DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
- current->pid, cmd, nr,
+ task_pid(current), cmd, nr,
(long)old_encode_dev(priv->head->device),
priv->authenticated);
Index: linux-2.6.15/drivers/char/drm/drm_fops.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_fops.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_fops.c 2006-01-17 08:36:54.000000000 -0500
@@ -188,7 +188,7 @@
*/
DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
- current->pid, (long)old_encode_dev(priv->head->device),
+ task_pid(current), (long)old_encode_dev(priv->head->device),
dev->open_count);
if (priv->lock_count && dev->lock.hw_lock &&
@@ -347,7 +347,7 @@
if (!drm_cpu_valid())
return -EINVAL;
- DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor);
+ DRM_DEBUG("pid = %d, minor = %d\n", task_pid(current), minor);
priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES);
if (!priv)
@@ -356,7 +356,7 @@
memset(priv, 0, sizeof(*priv));
filp->private_data = priv;
priv->uid = current->euid;
- priv->pid = current->pid;
+ priv->pid = task_pid(current);
priv->minor = minor;
priv->head = drm_heads[minor];
priv->ioctl_count = 0;
@@ -416,7 +416,7 @@
drm_device_t *dev = priv->head->dev;
DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
- current->pid, (long)old_encode_dev(priv->head->device),
+ task_pid(current), (long)old_encode_dev(priv->head->device),
dev->open_count);
return 0;
}
Index: linux-2.6.15/drivers/char/drm/drm_lock.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_lock.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_lock.c 2006-01-17 08:36:54.000000000 -0500
@@ -67,12 +67,12 @@
if (lock.context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
- current->pid, lock.context);
+ task_pid(current), lock.context);
return -EINVAL;
}
DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
- lock.context, current->pid,
+ lock.context, task_pid(current),
dev->lock.hw_lock->lock, lock.flags);
if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE))
@@ -162,7 +162,7 @@
if (lock.context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
- current->pid, lock.context);
+ task_pid(current), lock.context);
return -EINVAL;
}
Index: linux-2.6.15/drivers/char/drm/drm_os_linux.h
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_os_linux.h 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_os_linux.h 2006-01-17 08:36:54.000000000 -0500
@@ -12,7 +12,7 @@
#define DRM_IOCTL_ARGS struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data
#define DRM_ERR(d) -(d)
/** Current process ID */
-#define DRM_CURRENTPID current->pid
+#define DRM_CURRENTPID task_pid(current)
#define DRM_UDELAY(d) udelay(d)
/** Read a byte from a MMIO region */
#define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset))
Index: linux-2.6.15/drivers/char/drm/drm_vm.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/drm_vm.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/drm_vm.c 2006-01-17 08:36:54.000000000 -0500
@@ -407,7 +407,7 @@
down(&dev->struct_sem);
vma_entry->vma = vma;
vma_entry->next = dev->vmalist;
- vma_entry->pid = current->pid;
+ vma_entry->pid = task_pid(current);
dev->vmalist = vma_entry;
up(&dev->struct_sem);
}
Index: linux-2.6.15/drivers/char/drm/i810_dma.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/i810_dma.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/i810_dma.c 2006-01-17 08:36:54.000000000 -0500
@@ -1110,7 +1110,7 @@
retcode = i810_dma_get_buffer(dev, &d, filp);
DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
+ task_pid(current), retcode, d.granted);
if (copy_to_user((drm_dma_t __user *) arg, &d, sizeof(d)))
return -EFAULT;
Index: linux-2.6.15/drivers/char/drm/i830_dma.c
===================================================================
--- linux-2.6.15.orig/drivers/char/drm/i830_dma.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/drm/i830_dma.c 2006-01-17 08:36:54.000000000 -0500
@@ -1433,7 +1433,7 @@
retcode = i830_dma_get_buffer(dev, &d, filp);
DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
+ task_pid(current), retcode, d.granted);
if (copy_to_user((drm_dma_t __user *) arg, &d, sizeof(d)))
return -EFAULT;
Index: linux-2.6.15/drivers/char/n_r3964.c
===================================================================
--- linux-2.6.15.orig/drivers/char/n_r3964.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/n_r3964.c 2006-01-17 08:36:54.000000000 -0500
@@ -1068,7 +1068,7 @@
TRACE_L("open");
TRACE_L("tty=%p, PID=%d, disc_data=%p",
- tty, current->pid, tty->disc_data);
+ tty, task_pid(current), tty->disc_data);
pInfo=kmalloc(sizeof(struct r3964_info), GFP_KERNEL);
TRACE_M("r3964_open - info kmalloc %p",pInfo);
@@ -1193,7 +1193,7 @@
struct r3964_client_message theMsg;
DECLARE_WAITQUEUE (wait, current);
- int pid = current->pid;
+ int pid = task_pid(current);
int count;
TRACE_L("read()");
@@ -1295,7 +1295,7 @@
pHeader->locks = 0;
pHeader->owner = NULL;
- pid=current->pid;
+ pid=task_pid(current);
pClient=findClient(pInfo, pid);
if(pClient)
@@ -1328,7 +1328,7 @@
switch(cmd)
{
case R3964_ENABLE_SIGNALS:
- return enable_signals(pInfo, current->pid, arg);
+ return enable_signals(pInfo, task_pid(current), arg);
case R3964_SETPRIORITY:
if(arg<R3964_MASTER || arg>R3964_SLAVE)
return -EINVAL;
@@ -1341,7 +1341,7 @@
pInfo->flags &= ~R3964_BCC;
return 0;
case R3964_READ_TELEGRAM:
- return read_telegram(pInfo, current->pid, (unsigned char __user *)arg);
+ return read_telegram(pInfo, task_pid(current), (unsigned char __user *)arg);
default:
return -ENOIOCTLCMD;
}
@@ -1357,7 +1357,7 @@
struct poll_table_struct *wait)
{
struct r3964_info *pInfo=(struct r3964_info*)tty->disc_data;
- int pid=current->pid;
+ int pid=task_pid(current);
struct r3964_client_info *pClient;
struct r3964_message *pMsg=NULL;
unsigned long flags;
Index: linux-2.6.15/drivers/char/random.c
===================================================================
--- linux-2.6.15.orig/drivers/char/random.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/random.c 2006-01-17 08:36:54.000000000 -0500
@@ -1640,7 +1640,7 @@
* drain on it), and uses halfMD4Transform within the second. We
* also mix it with jiffies and the PID:
*/
- return secure_ip_id(current->pid + jiffies);
+ return secure_ip_id(task_pid(current) + jiffies);
}
/*
Index: linux-2.6.15/drivers/char/rio/linux_compat.h
===================================================================
--- linux-2.6.15.orig/drivers/char/rio/linux_compat.h 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/rio/linux_compat.h 2006-01-17 08:36:54.000000000 -0500
@@ -58,7 +58,7 @@
#endif
-#define getpid() (current->pid)
+#define getpid() (task_pid(current))
#define QSIZE SERIAL_XMIT_SIZE
Index: linux-2.6.15/drivers/char/snsc_event.c
===================================================================
--- linux-2.6.15.orig/drivers/char/snsc_event.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/snsc_event.c 2006-01-17 08:36:54.000000000 -0500
@@ -207,7 +207,7 @@
/* first find init's task */
read_lock(&tasklist_lock);
for_each_process(p) {
- if (p->pid == 1)
+ if (task_pid(p) == 1)
break;
}
if (p) { /* we found init's task */
Index: linux-2.6.15/drivers/char/sx.c
===================================================================
--- linux-2.6.15.orig/drivers/char/sx.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/sx.c 2006-01-17 08:36:54.000000000 -0500
@@ -1437,7 +1437,7 @@
line = tty->index;
sx_dprintk (SX_DEBUG_OPEN, "%d: opening line %d. tty=%p ctty=%p, np=%d)\n",
- current->pid, line, tty, current->signal->tty, sx_nports);
+ task_pid(current), line, tty, current->signal->tty, sx_nports);
if ((line < 0) || (line >= SX_NPORTS) || (line >= sx_nports))
return -ENODEV;
Index: linux-2.6.15/drivers/char/sysrq.c
===================================================================
--- linux-2.6.15.orig/drivers/char/sysrq.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/sysrq.c 2006-01-17 08:36:54.000000000 -0500
@@ -207,7 +207,7 @@
struct task_struct *p;
for_each_process(p) {
- if (p->mm && p->pid != 1)
+ if (p->mm && task_pid(p) != 1)
/* Not swapper, init nor kernel thread */
force_sig(sig, p);
}
Index: linux-2.6.15/drivers/char/tty_io.c
===================================================================
--- linux-2.6.15.orig/drivers/char/tty_io.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/tty_io.c 2006-01-17 08:36:54.000000000 -0500
@@ -2009,7 +2009,7 @@
if (on) {
if (!waitqueue_active(&tty->read_wait))
tty->minimum_to_wake = 1;
- retval = f_setown(filp, (-tty->pgrp) ? : current->pid, 0);
+ retval = f_setown(filp, (-tty->pgrp) ? : task_pid(current), 0);
if (retval)
return retval;
} else {
@@ -2471,7 +2471,7 @@
if (p->signal->tty == tty || session > 0) {
printk(KERN_NOTICE "SAK: killed process %d"
" (%s): p->signal->session==tty->session\n",
- p->pid, p->comm);
+ task_pid(p), p->comm);
send_sig(SIGKILL, p, 1);
continue;
}
@@ -2487,7 +2487,7 @@
filp->private_data == tty) {
printk(KERN_NOTICE "SAK: killed process %d"
" (%s): fd#%d opened to the tty\n",
- p->pid, p->comm, i);
+ task_pid(p), p->comm, i);
send_sig(SIGKILL, p, 1);
break;
}
Index: linux-2.6.15/drivers/char/vt_ioctl.c
===================================================================
--- linux-2.6.15.orig/drivers/char/vt_ioctl.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/char/vt_ioctl.c 2006-01-17 08:36:54.000000000 -0500
@@ -651,7 +651,7 @@
return -EPERM;
if (!valid_signal(arg) || arg < 1 || arg == SIGKILL)
return -EINVAL;
- spawnpid = current->pid;
+ spawnpid = task_pid(current);
spawnsig = arg;
return 0;
}
@@ -670,7 +670,7 @@
vc->vt_mode = tmp;
/* the frsig is ignored, so we set it to 0 */
vc->vt_mode.frsig = 0;
- vc->vt_pid = current->pid;
+ vc->vt_pid = task_pid(current);
/* no switch is required -- [email protected] */
vc->vt_newvt = -1;
release_console_sem();
Index: linux-2.6.15/drivers/input/joystick/iforce/iforce-main.c
===================================================================
--- linux-2.6.15.orig/drivers/input/joystick/iforce/iforce-main.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/input/joystick/iforce/iforce-main.c 2006-01-17 08:36:54.000000000 -0500
@@ -160,7 +160,7 @@
return -ENOMEM;
effect->id = id;
- iforce->core_effects[id].owner = current->pid;
+ iforce->core_effects[id].owner = task_pid(current);
iforce->core_effects[id].flags[0] = (1 << FF_CORE_IS_USED); /* Only IS_USED bit must be set */
is_update = FALSE;
@@ -223,8 +223,8 @@
struct iforce_core_effect* core_effect;
/* Check who is trying to erase this effect */
- if (iforce->core_effects[effect_id].owner != current->pid) {
- printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
+ if (iforce->core_effects[effect_id].owner != task_pid(current)) {
+ printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", task_pid(current), iforce->core_effects[effect_id].owner);
return -EACCES;
}
@@ -274,7 +274,7 @@
for (i=0; i<dev->ff_effects_max; ++i) {
if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
- current->pid == iforce->core_effects[i].owner) {
+ task_pid(current) == iforce->core_effects[i].owner) {
/* Stop effect */
input_report_ff(dev, i, 0);
Index: linux-2.6.15/drivers/input/joystick/iforce/iforce.h
===================================================================
--- linux-2.6.15.orig/drivers/input/joystick/iforce/iforce.h 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/input/joystick/iforce/iforce.h 2006-01-17 08:36:54.000000000 -0500
@@ -70,8 +70,8 @@
#define CHECK_OWNERSHIP(i, iforce) \
((i) < FF_EFFECTS_MAX && i >= 0 && \
test_bit(FF_CORE_IS_USED, (iforce)->core_effects[(i)].flags) && \
- (current->pid == 0 || \
- (iforce)->core_effects[(i)].owner == current->pid))
+ (task_pid(current) == 0 || \
+ (iforce)->core_effects[(i)].owner == task_pid(current)))
struct iforce_core_effect {
/* Information about where modifiers are stored in the device's memory */
Index: linux-2.6.15/drivers/macintosh/adb.c
===================================================================
--- linux-2.6.15.orig/drivers/macintosh/adb.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/macintosh/adb.c 2006-01-17 08:36:54.000000000 -0500
@@ -138,8 +138,8 @@
static __inline__ void adb_wait_ms(unsigned int ms)
{
- if (current->pid && adb_probe_task_pid &&
- adb_probe_task_pid == current->pid)
+ if (task_pid(current) && adb_probe_task_pid &&
+ adb_probe_task_pid == task_pid(current))
msleep(ms);
else
mdelay(ms);
@@ -492,8 +492,8 @@
* block. Beware that the "done" callback will be overriden !
*/
if ((flags & ADBREQ_SYNC) &&
- (current->pid && adb_probe_task_pid &&
- adb_probe_task_pid == current->pid)) {
+ (task_pid(current) && adb_probe_task_pid &&
+ adb_probe_task_pid == task_pid(current))) {
req->done = adb_probe_wakeup;
rc = adb_controller->send_request(req, 0);
if (rc || req->complete)
Index: linux-2.6.15/drivers/md/bitmap.c
===================================================================
--- linux-2.6.15.orig/drivers/md/bitmap.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/md/bitmap.c 2006-01-17 08:36:54.000000000 -0500
@@ -1223,7 +1223,7 @@
md_wakeup_thread(daemon); /* start it running */
PRINTK("%s: %s daemon (pid %d) started...\n",
- bmname(bitmap), name, daemon->tsk->pid);
+ bmname(bitmap), name, daemon->task_pid(tsk));
return daemon;
}
@@ -1232,7 +1232,7 @@
{
/* the daemon can't stop itself... it'll just exit instead... */
if (bitmap->writeback_daemon && ! IS_ERR(bitmap->writeback_daemon) &&
- current->pid != bitmap->writeback_daemon->tsk->pid) {
+ task_pid(current) != task_pid(bitmap->writeback_daemon->tsk)) {
mdk_thread_t *daemon;
unsigned long flags;
Index: linux-2.6.15/drivers/md/md.c
===================================================================
--- linux-2.6.15.orig/drivers/md/md.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/md/md.c 2006-01-17 08:36:54.000000000 -0500
@@ -3159,7 +3159,7 @@
printk(KERN_WARNING
"md: %s(pid %d) used deprecated START_ARRAY ioctl. "
"This will not be supported beyond July 2006\n",
- current->comm, current->pid);
+ current->comm, task_pid(current));
cnt--;
}
err = autostart_array(new_decode_dev(arg));
@@ -3347,7 +3347,7 @@
printk(KERN_WARNING "md: %s(pid %d) used"
" obsolete MD ioctl, upgrade your"
" software to use new ictls.\n",
- current->comm, current->pid);
+ current->comm, task_pid(current));
err = -EINVAL;
goto abort_unlock;
}
@@ -3496,7 +3496,7 @@
void md_unregister_thread(mdk_thread_t *thread)
{
- dprintk("interrupting MD-thread pid %d\n", thread->tsk->pid);
+ dprintk("interrupting MD-thread pid %d\n", task_pid(thread->tsk));
kthread_stop(thread->tsk);
kfree(thread);
Index: linux-2.6.15/drivers/media/video/zoran_driver.c
===================================================================
--- linux-2.6.15.orig/drivers/media/video/zoran_driver.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/media/video/zoran_driver.c 2006-01-17 08:36:54.000000000 -0500
@@ -1342,7 +1342,7 @@
}
dprintk(1, KERN_INFO "%s: zoran_open(%s, pid=[%d]), users(-)=%d\n",
- ZR_DEVNAME(zr), current->comm, current->pid, zr->user);
+ ZR_DEVNAME(zr), current->comm, task_pid(current), zr->user);
/* now, create the open()-specific file_ops struct */
fh = kmalloc(sizeof(struct zoran_fh), GFP_KERNEL);
@@ -1416,7 +1416,7 @@
struct zoran *zr = fh->zr;
dprintk(1, KERN_INFO "%s: zoran_close(%s, pid=[%d]), users(+)=%d\n",
- ZR_DEVNAME(zr), current->comm, current->pid, zr->user);
+ ZR_DEVNAME(zr), current->comm, task_pid(current), zr->user);
/* kernel locks (fs/device.c), so don't do that ourselves
* (prevents deadlocks) */
Index: linux-2.6.15/drivers/net/slip.c
===================================================================
--- linux-2.6.15.orig/drivers/net/slip.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/net/slip.c 2006-01-17 08:36:54.000000000 -0500
@@ -749,7 +749,7 @@
if (sl->tty)
continue;
- if (current->pid == sl->pid) {
+ if (task_pid(current) == sl->pid) {
if (sl->line == line && score < 3) {
sel = i;
score = 3;
@@ -867,7 +867,7 @@
sl->tty = tty;
tty->disc_data = sl;
sl->line = tty_devnum(tty);
- sl->pid = current->pid;
+ sl->pid = task_pid(current);
/* FIXME: already done before we were called - seems this can go */
if (tty->driver->flush_buffer)
@@ -1303,7 +1303,7 @@
/* Resolve race condition, when ioctl'ing hanged up
and opened by another process device.
*/
- if (sl->tty != current->signal->tty && sl->pid != current->pid) {
+ if (sl->tty != current->signal->tty && sl->pid != task_pid(current)) {
spin_unlock_bh(&sl->lock);
return -EPERM;
}
Index: linux-2.6.15/drivers/net/tun.c
===================================================================
--- linux-2.6.15.orig/drivers/net/tun.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/net/tun.c 2006-01-17 08:36:54.000000000 -0500
@@ -709,7 +709,7 @@
return ret;
if (on) {
- ret = f_setown(file, current->pid, 0);
+ ret = f_setown(file, task_pid(current), 0);
if (ret)
return ret;
tun->flags |= TUN_FASYNC;
Index: linux-2.6.15/drivers/net/wireless/hostap/hostap_ioctl.c
===================================================================
--- linux-2.6.15.orig/drivers/net/wireless/hostap/hostap_ioctl.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/net/wireless/hostap/hostap_ioctl.c 2006-01-17 08:36:54.000000000 -0500
@@ -2923,7 +2923,7 @@
printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
"- update software to use iwconfig mode monitor\n",
- dev->name, current->pid, current->comm);
+ dev->name, task_pid(current), current->comm);
/* Backward compatibility code - this can be removed at some point */
Index: linux-2.6.15/drivers/oprofile/buffer_sync.c
===================================================================
--- linux-2.6.15.orig/drivers/oprofile/buffer_sync.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/oprofile/buffer_sync.c 2006-01-17 08:36:54.000000000 -0500
@@ -286,12 +286,12 @@
{
add_event_entry(ESCAPE_CODE);
add_event_entry(CTX_SWITCH_CODE);
- add_event_entry(task->pid);
+ add_event_entry(task_pid(task));
add_event_entry(cookie);
/* Another code for daemon back-compat */
add_event_entry(ESCAPE_CODE);
add_event_entry(CTX_TGID_CODE);
- add_event_entry(task->tgid);
+ add_event_entry(task_tgid(task));
}
Index: linux-2.6.15/drivers/s390/char/fs3270.c
===================================================================
--- linux-2.6.15.orig/drivers/s390/char/fs3270.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/s390/char/fs3270.c 2006-01-17 08:36:54.000000000 -0500
@@ -444,7 +444,7 @@
return PTR_ERR(fp);
init_waitqueue_head(&fp->wait);
- fp->fs_pid = current->pid;
+ fp->fs_pid = task_pid(current);
rc = raw3270_add_view(&fp->view, &fs3270_fn, minor);
if (rc) {
fs3270_free_view(&fp->view);
Index: linux-2.6.15/drivers/s390/crypto/z90main.c
===================================================================
--- linux-2.6.15.orig/drivers/s390/crypto/z90main.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/s390/crypto/z90main.c 2006-01-17 08:36:54.000000000 -0500
@@ -185,7 +185,7 @@
/**
* PID() expands to the process ID of the current process
*/
-#define PID() (current->pid)
+#define PID() (task_pid(current))
/**
* Selected Constants. The number of APs and the number of devices
@@ -942,7 +942,7 @@
step = atomic_inc_return(&z90crypt_step);
memcpy(we_p->caller_id+0, (void *) &pid, sizeof(pid));
memcpy(we_p->caller_id+4, (void *) &step, sizeof(step));
- we_p->pid = pid;
+ we_task_pid(p) = pid;
we_p->priv_data = priv_data;
we_p->status[0] = STAT_DEFAULT;
we_p->audit[0] = 0x00;
Index: linux-2.6.15/drivers/s390/s390mach.c
===================================================================
--- linux-2.6.15.orig/drivers/s390/s390mach.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/s390/s390mach.c 2006-01-17 08:36:54.000000000 -0500
@@ -183,7 +183,7 @@
printk(KERN_EMERG "mcck: Terminating task because of machine "
"malfunction (code 0x%016llx).\n", mcck.mcck_code);
printk(KERN_EMERG "mcck: task: %s, pid: %d.\n",
- current->comm, current->pid);
+ current->comm, task_pid(current));
do_exit(SIGSEGV);
}
}
Index: linux-2.6.15/drivers/scsi/53c7xx.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/53c7xx.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/scsi/53c7xx.c 2006-01-17 08:36:54.000000000 -0500
@@ -4208,7 +4208,7 @@
if (hostdata->options & OPTION_DEBUG_INTR) {
printk ("scsi%d : command complete : pid %lu, id %d,lun %d result 0x%x ",
- host->host_no, tmp->pid, tmp->device->id, tmp->device->lun, tmp->result);
+ host->host_no, tmtask_pid(p), tmp->device->id, tmp->device->lun, tmp->result);
__scsi_print_command (tmp->cmnd);
}
Index: linux-2.6.15/drivers/scsi/dc395x.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/dc395x.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/scsi/dc395x.c 2006-01-17 08:36:54.000000000 -0500
@@ -3554,7 +3554,7 @@
p = srb->cmd;
dir = p->sc_data_direction;
result = MK_RES(0, did_flag, 0, 0);
- printk("G:%li(%02i-%i) ", p->pid,
+ printk("G:%li(%02i-%i) ", task_pid(p),
p->device->id, p->device->lun);
srb_going_remove(dcb, srb);
free_tag(dcb, srb);
@@ -3584,7 +3584,7 @@
p = srb->cmd;
result = MK_RES(0, did_flag, 0, 0);
- printk("W:%li<%02i-%i>", p->pid, p->device->id,
+ printk("W:%li<%02i-%i>", task_pid(p), p->device->id,
p->device->lun);
srb_waiting_remove(dcb, srb);
srb_free_insert(acb, srb);
Index: linux-2.6.15/drivers/scsi/eata_pio.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/eata_pio.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/scsi/eata_pio.c 2006-01-17 08:36:54.000000000 -0500
@@ -512,7 +512,7 @@
sp = HD(cmd)->ccb[x].cmd;
HD(cmd)->ccb[x].status = RESET;
- printk(KERN_WARNING "eata_pio_reset: slot %d in reset, pid %ld.\n", x, sp->pid);
+ printk(KERN_WARNING "eata_pio_reset: slot %d in reset, pid %ld.\n", x, stask_pid(p));
if (sp == NULL)
panic("eata_pio_reset: slot %d, sp==NULL.\n", x);
Index: linux-2.6.15/drivers/serial/crisv10.c
===================================================================
--- linux-2.6.15.orig/drivers/serial/crisv10.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/serial/crisv10.c 2006-01-17 08:36:54.000000000 -0500
@@ -4346,7 +4346,7 @@
}
#ifdef SERIAL_DEBUG_OPEN
- printk("[%d] rs_close ttyS%d, count = %d\n", current->pid,
+ printk("[%d] rs_close ttyS%d, count = %d\n", task_pid(current),
info->line, info->count);
#endif
if ((tty->count == 1) && (info->count != 1)) {
@@ -4639,7 +4639,7 @@
return -ENODEV;
#ifdef SERIAL_DEBUG_OPEN
- printk("[%d] rs_open %s, count = %d\n", current->pid, tty->name,
+ printk("[%d] rs_open %s, count = %d\n", task_pid(current), tty->name,
info->count);
#endif
Index: linux-2.6.15/drivers/usb/input/hid-lgff.c
===================================================================
--- linux-2.6.15.orig/drivers/usb/input/hid-lgff.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/usb/input/hid-lgff.c 2006-01-17 08:36:54.000000000 -0500
@@ -55,8 +55,8 @@
#define DEVICE_CLOSING 0 /* The driver is being unitialised */
/* Check that the current process can access an effect */
-#define CHECK_OWNERSHIP(effect) (current->pid == 0 \
- || effect.owner == current->pid)
+#define CHECK_OWNERSHIP(effect) (task_pid(current) == 0 \
+ || effect.owner == task_pid(current))
#define LGFF_CHECK_OWNERSHIP(i, l) \
(i>=0 && i<LGFF_EFFECTS \
@@ -340,7 +340,7 @@
modified is when effects are uploaded or when an effect is
erased. But a process cannot close its dev/input/eventX fd
and perform ioctls on the same fd all at the same time */
- if ( current->pid == lgff->effects[i].owner
+ if ( task_pid(current) == lgff->effects[i].owner
&& test_bit(EFFECT_USED, lgff->effects[i].flags)) {
if (hid_lgff_erase(dev, i))
@@ -392,7 +392,7 @@
}
effect->id = i;
- lgff->effects[i].owner = current->pid;
+ lgff->effects[i].owner = task_pid(current);
lgff->effects[i].flags[0] = 0;
set_bit(EFFECT_USED, lgff->effects[i].flags);
}
Index: linux-2.6.15/drivers/usb/input/hid-tmff.c
===================================================================
--- linux-2.6.15.orig/drivers/usb/input/hid-tmff.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/usb/input/hid-tmff.c 2006-01-17 08:36:54.000000000 -0500
@@ -51,8 +51,8 @@
#define DEVICE_CLOSING 0 /* The driver is being unitialised */
/* Check that the current process can access an effect */
-#define CHECK_OWNERSHIP(effect) (current->pid == 0 \
- || effect.owner == current->pid)
+#define CHECK_OWNERSHIP(effect) (task_pid(current) == 0 \
+ || effect.owner == task_pid(current))
#define TMFF_CHECK_ID(id) ((id) >= 0 && (id) < TMFF_EFFECTS)
@@ -255,7 +255,7 @@
erased. But a process cannot close its dev/input/eventX fd
and perform ioctls on the same fd all at the same time */
- if (current->pid == tmff->effects[i].owner
+ if (task_pid(current) == tmff->effects[i].owner
&& test_bit(EFFECT_USED, tmff->effects[i].flags))
if (hid_tmff_erase(dev, i))
warn("erase effect %d failed", i);
@@ -310,7 +310,7 @@
}
effect->id = id;
- tmff->effects[id].owner = current->pid;
+ tmff->effects[id].owner = task_pid(current);
tmff->effects[id].flags[0] = 0;
set_bit(EFFECT_USED, tmff->effects[id].flags);
Index: linux-2.6.15/drivers/usb/input/pid.c
===================================================================
--- linux-2.6.15.orig/drivers/usb/input/pid.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/usb/input/pid.c 2006-01-17 08:36:54.000000000 -0500
@@ -40,8 +40,8 @@
#define CHECK_OWNERSHIP(i, hid_pid) \
((i) < FF_EFFECTS_MAX && i >= 0 && \
test_bit(FF_PID_FLAGS_USED, &hid_pid->effects[(i)].flags) && \
- (current->pid == 0 || \
- (hid_pid)->effects[(i)].owner == current->pid))
+ (task_pid(current) == 0 || \
+ (hid_pid)->effects[(i)].owner == task_pid(current)))
/* Called when a transfer is completed */
static void hid_pid_ctrl_out(struct urb *u, struct pt_regs *regs)
@@ -151,7 +151,7 @@
and perform ioctls on the same fd all at the same time */
/*FIXME: multiple threads, anyone? */
for (i = 0; i < dev->ff_effects_max; ++i)
- if (current->pid == pid->effects[i].owner
+ if (task_pid(current) == pid->effects[i].owner
&& test_bit(FF_PID_FLAGS_USED, &pid->effects[i].flags))
if (hid_pid_erase(dev, i))
dev_warn(&hid->dev->dev, "erase effect %d failed", i);
@@ -197,7 +197,7 @@
effect->id = id;
dev_dbg(&pid_private->hid->dev->dev, "effect ID is %d.\n", id);
- pid_private->effects[id].owner = current->pid;
+ pid_private->effects[id].owner = task_pid(current);
pid_private->effects[id].flags = (1 << FF_PID_FLAGS_USED);
spin_unlock_irqrestore(&pid_private->lock, flags);
Index: linux-2.6.15/drivers/usb/core/devio.c
===================================================================
--- linux-2.6.15.orig/drivers/usb/core/devio.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/drivers/usb/core/devio.c 2006-01-17 08:36:54.000000000 -0500
@@ -466,7 +466,7 @@
return 0;
/* if not yet claimed, claim it for the driver */
dev_warn(&ps->dev->dev, "usbfs: process %d (%s) did not claim interface %u before use\n",
- current->pid, current->comm, ifnum);
+ task_pid(current), current->comm, ifnum);
return claimintf(ps, ifnum);
}
@@ -572,7 +572,7 @@
INIT_LIST_HEAD(&ps->async_completed);
init_waitqueue_head(&ps->wait);
ps->discsignr = 0;
- ps->disc_pid = current->pid;
+ ps->disc_pid = task_pid(current);
ps->disc_uid = current->uid;
ps->disc_euid = current->euid;
ps->disccontext = NULL;
@@ -1055,7 +1055,7 @@
as->userbuffer = NULL;
as->signr = uurb->signr;
as->ifnum = ifnum;
- as->pid = current->pid;
+ as->pid = task_pid(current);
as->uid = current->uid;
as->euid = current->euid;
if (!(uurb->endpoint & USB_DIR_IN)) {
Index: linux-2.6.15/block/ll_rw_blk.c
===================================================================
--- linux-2.6.15.orig/block/ll_rw_blk.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/block/ll_rw_blk.c 2006-01-17 08:36:54.000000000 -0500
@@ -2923,7 +2923,7 @@
if (unlikely(block_dump)) {
char b[BDEVNAME_SIZE];
printk(KERN_DEBUG "%s(%d): %s block %Lu on %s\n",
- current->comm, current->pid,
+ current->comm, task_pid(current),
(rw & WRITE) ? "WRITE" : "READ",
(unsigned long long)bio->bi_sector,
bdevname(bio->bi_bdev,b));
Index: linux-2.6.15/block/cfq-iosched.c
===================================================================
--- linux-2.6.15.orig/block/cfq-iosched.c 2006-01-17 08:36:29.000000000 -0500
+++ linux-2.6.15/block/cfq-iosched.c 2006-01-17 08:36:54.000000000 -0500
@@ -619,7 +619,7 @@
static struct request *cfq_find_rq_rb(struct cfq_data *cfqd, sector_t sector)
{
- struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, current->pid, CFQ_KEY_ANY);
+ struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, task_pid(current), CFQ_KEY_ANY);
struct rb_node *n;
if (!cfqq)
@@ -1788,7 +1788,7 @@
static inline pid_t cfq_queue_pid(struct task_struct *task, int rw)
{
if (rw == READ || process_sync(task))
- return task->pid;
+ return task_pid(task);
return CFQ_KEY_ASYNC;
}
--
-
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