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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-16 18:21:36 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-16 18:21:36 -0800
commit98c4514ff6e3072288770db66f91bdb15af8b433 (patch)
treeeb5f2541e70d27144720e1735b463471025908f0 /fs/cifs/dir.c
parent644a9d3b66e6983c2c1f3b24c3006d49b184c871 (diff)
parentf4a75d2eb7b1e2206094b901be09adb31ba63681 (diff)
Merge 3.7-rc6 into char-misc-next
Diffstat (limited to 'fs/cifs/dir.c')
-rw-r--r--fs/cifs/dir.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 7c0a81283645..d3671f2acb29 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -398,7 +398,16 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
* in network traffic in the other paths.
*/
if (!(oflags & O_CREAT)) {
- struct dentry *res = cifs_lookup(inode, direntry, 0);
+ struct dentry *res;
+
+ /*
+ * Check for hashed negative dentry. We have already revalidated
+ * the dentry and it is fine. No need to perform another lookup.
+ */
+ if (!d_unhashed(direntry))
+ return -ENOENT;
+
+ res = cifs_lookup(inode, direntry, 0);
if (IS_ERR(res))
return PTR_ERR(res);