Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7a434814c7a6500b08bf4419ba8712b152d08d08
Commit: 7a434814c7a6500b08bf4419ba8712b152d08d08
Parent: 4a6753ca08541437f4c243708d2011b4758e17e8
Author: Peter Zijlstra <[EMAIL PROTECTED]>
AuthorDate: Tue Mar 6 01:42:09 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Mar 6 09:30:25 2007 -0800
[PATCH] mqueue: nested locking annotation
Fix http://bugzilla.kernel.org/show_bug.cgi?id=8130
Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
ipc/mqueue.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 0b5ecbe..554ac36 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -731,7 +731,8 @@ asmlinkage long sys_mq_unlink(const char __user *u_name)
if (IS_ERR(name))
return PTR_ERR(name);
- mutex_lock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
+ mutex_lock_nested(&mqueue_mnt->mnt_root->d_inode->i_mutex,
+ I_MUTEX_PARENT);
dentry = lookup_one_len(name, mqueue_mnt->mnt_root, strlen(name));
if (IS_ERR(dentry)) {
err = PTR_ERR(dentry);
-
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