diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:25:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:06 -0700 |
| commit | f2eace23e924bd3f05aedea4fc505eb5508d2d93 (patch) | |
| tree | 3e78dc1c4be979164a91665f56299e344fb6d6b6 /drivers/usb/core | |
| parent | a90b9c05df3c1e58eaedc28795d0f5abd896c098 (diff) | |
[PATCH] lockdep: annotate i_mutex
Teach special (recursive) locking code to the lock validator. Has no effect
on non-lockdep kernels.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index e47e3a8ed6e..cf11196e012 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -200,7 +200,7 @@ static void update_sb(struct super_block *sb) if (!root) return; - mutex_lock(&root->d_inode->i_mutex); + mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT); list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) { if (bus->d_inode) { |