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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:25:05 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:06 -0700
commitf2eace23e924bd3f05aedea4fc505eb5508d2d93 (patch)
tree3e78dc1c4be979164a91665f56299e344fb6d6b6 /drivers/usb
parenta90b9c05df3c1e58eaedc28795d0f5abd896c098 (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')
-rw-r--r--drivers/usb/core/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index e47e3a8ed6e4..cf11196e012d 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) {