diff --git a/[refs] b/[refs]
index c9998890578b..1e60fff20e72 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1a5645bc901aea6f3f446888061b2b084bbf1ba6
+refs/heads/master: 1bded710a574f20d41bc9e7fb531301db282d623
diff --git a/trunk/drivers/net/tun.c b/trunk/drivers/net/tun.c
index 457f2d7430cf..15d67635bb10 100644
--- a/trunk/drivers/net/tun.c
+++ b/trunk/drivers/net/tun.c
@@ -123,7 +123,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file)
 
 	/* Check permissions */
 	if (((tun->owner != -1 && cred->euid != tun->owner) ||
-	     (tun->group != -1 && cred->egid != tun->group)) &&
+	     (tun->group != -1 && !in_egroup_p(tun->group))) &&
 		!capable(CAP_NET_ADMIN))
 		return -EPERM;