From ee8ac4d61c2cf43bdd427e70db97ac330e61570d Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Fri, 6 Mar 2015 14:05:26 +0000
Subject: [PATCH] VFS: AF_UNIX sockets should call mknod on the top layer only
AF_UNIX sockets should call mknod on the top layer only and should not attempt
to modify the lower layer in a layered filesystem such as overlayfs.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
net/unix/af_unix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 433f287ee5483..8b8f5e6d20bce 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -839,7 +839,7 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
*/
err = security_path_mknod(&path, dentry, mode, 0);
if (!err) {
- err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0);
if (!err) {
res->mnt = mntget(path.mnt);
res->dentry = dget(dentry);
--
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