Signed-off-by: Andi Kleen <[email protected]>
---
fs/compat.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Index: linux/fs/compat.c
===================================================================
--- linux.orig/fs/compat.c
+++ linux/fs/compat.c
@@ -371,13 +371,14 @@ static void compat_ioctl_error(struct fi
fn = "?";
}
- sprintf(buf,"'%c'", (cmd>>24) & 0x3f);
+ sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);
if (!isprint(buf[1]))
sprintf(buf, "%02x", buf[1]);
compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
- "cmd(%08x){%s} arg(%08x) on %s\n",
+ "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",
current->comm, current->pid,
(int)fd, (unsigned int)cmd, buf,
+ (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,
(unsigned int)arg, fn);
if (path)
-
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