---

yaml --- r: 335565 b: refs/heads/master c: 3798f47 h: refs/heads/master i: 335563: 1dbab74 v: v3
git-mirror · Nov 5, 2012 · 425ecb0 · 425ecb0
1 parent 1378eba
commit 425ecb0
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 36960e440ccf94349c09fb944930d3bfe4bc473f
+refs/heads/master: 3798f47aa276b332c30da499cb4df4577e2f8872
diff --git a/trunk/fs/cifs/dir.c b/trunk/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);