diff options
| author | Miklos Szeredi <mszeredi@suse.cz> | 2008-06-08 10:56:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-06-16 13:19:50 -0700 |
| commit | 2583783370aa26010ca861111b21700a9655d238 (patch) | |
| tree | 1acc5314e80331f784f4e1454c2fad26d7a394dc /fs | |
| parent | 01891b7ca1373846a8ef2dfedce2bfe21369b81b (diff) | |
ecryptfs: add missing lock around notify_change
upstream commit: 9c3580aa52195699065bc2d7242b1c7e3e6903fa
Callers of notify_change() need to hold i_mutex.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ecryptfs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index e23861152101..af1b8c599fa5 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -908,7 +908,9 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) ia->ia_valid &= ~ATTR_MODE; + mutex_lock(&lower_dentry->d_inode->i_mutex); rc = notify_change(lower_dentry, ia); + mutex_unlock(&lower_dentry->d_inode->i_mutex); out: fsstack_copy_attr_all(inode, lower_inode, NULL); return rc; |