Tejun Heo e49452c677 sysfs: make sysfs_lookup() return ERR_PTR(-ENOENT) on failed lookup
sysfs tries to keep dcache a strict subset of sysfs_dirent tree by
shooting down dentries when a node is removed, that is, no negative
dentry for sysfs.  However, the lookup function returned NULL and thus
created negative dentries when the target node didn't exist.

Make sysfs_lookup() return ERR_PTR(-ENOENT) on lookup failure.  This
fixes the NULL dereference bug in sysfs_get_dentry() discovered by
bluetooth rfcomm device moving around.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-16 09:54:03 -08:00
..
2007-10-17 08:42:47 -07:00
2007-11-05 15:12:32 -08:00
2007-10-19 11:53:37 -07:00
2007-12-05 09:25:20 -08:00
2007-12-05 09:25:19 -08:00
2007-10-19 11:53:37 -07:00
2007-10-22 08:13:21 -07:00
2007-12-17 19:28:16 -08:00
2007-12-17 19:28:16 -08:00
2007-10-16 09:43:07 -07:00
2007-10-17 18:49:59 -04:00
2007-10-18 14:37:31 -07:00
2007-11-03 12:27:21 -07:00
2007-11-14 18:45:43 -08:00
2007-12-05 09:21:18 -08:00
2008-01-11 18:05:04 +11:00
2008-01-07 14:55:37 -08:00
2007-10-17 08:42:54 -07:00
2007-10-21 08:54:05 -07:00
2007-10-17 08:42:45 -07:00
2007-10-16 09:42:53 -07:00
2007-11-28 10:58:01 -08:00
2007-10-17 08:43:02 -07:00
2007-12-17 19:28:16 -08:00
2007-10-22 08:13:19 -07:00
2007-10-16 09:42:54 -07:00
2007-11-14 18:45:42 -08:00
2007-10-15 17:00:19 +02:00
2007-10-19 11:53:41 -07:00
2007-10-17 08:43:01 -07:00
2007-10-17 08:43:07 -07:00
2007-10-17 08:42:52 -07:00