ecryptfs: add missing lock around notify_change

[linux-2.6-omap-h63xx.git] / fs / ecryptfs / inode.c

diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index a7d5d7d2b2a7d137d832397ae40d5fc8ab5c4485..1623ebf25e5121950c4a4f9dc9edf700988146fe 100644 (file)
--- 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;