From: Greg Kroah-Hartman <[email protected]>
This is needed to make the compatible link for /sys/block in the future.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/sysfs/symlink.c | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index d2eac3c..f50e3cc 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -3,6 +3,7 @@
*/
#include <linux/fs.h>
+#include <linux/mount.h>
#include <linux/module.h>
#include <linux/kobject.h>
#include <linux/namei.h>
@@ -82,10 +83,19 @@ exit1:
*/
int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name)
{
- struct dentry * dentry = kobj->dentry;
+ struct dentry *dentry = NULL;
int error = -EEXIST;
- BUG_ON(!kobj || !kobj->dentry || !name);
+ BUG_ON(!name);
+
+ if (!kobj) {
+ if (sysfs_mount && sysfs_mount->mnt_sb)
+ dentry = sysfs_mount->mnt_sb->s_root;
+ } else
+ dentry = kobj->dentry;
+
+ if (!dentry)
+ return -EFAULT;
mutex_lock(&dentry->d_inode->i_mutex);
if (!sysfs_dirent_exist(dentry->d_fsdata, name))
--
1.4.2.1
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
