d_alloc_name return NULL in case error, but we expect errno in
devpts_pty_new.
http://bugzilla.openvz.org/show_bug.cgi?id=1758
Signed-off-by: Andrey Vagin<avagin@xxxxxxxxxx>
---
fs/devpts/inode.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 1bb547c..8392c8c 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -501,7 +501,7 @@ 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);
}