From b12d12596992f608f5506a8dabe4d1299594bd1e Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Tue, 22 Mar 2011 16:35:11 -0700
Subject: [PATCH] fs/devpts/inode.c: correctly check d_alloc_name() return code
in devpts_pty_new()
d_alloc_name return NULL in case error, but we expect errno in
devpts_pty_new.
Addresses http://bugzilla.openvz.org/show_bug.cgi?id=1758
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/devpts/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index c6bd815dc7943..2f27e578d4660 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -502,7 +502,7 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty)
mutex_lock(&root->d_inode->i_mutex);
dentry = d_alloc_name(root, s);
- if (!IS_ERR(dentry)) {
+ if (dentry) {
d_add(dentry, inode);
fsnotify_create(root->d_inode, dentry);
} else {
--
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