[PATCH] selinux: return -ENOMEM if kzalloc() fails

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

We accidentally return success instead of -ENOMEM on this failure path.

Fixes: 409dcf31538a ("selinux: Add a cache for quicker retreival of PKey SIDs")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/security/selinux/ibpkey.c b/security/selinux/ibpkey.c
index e3614ee5f1c0..36e61f622b5a 100644
--- a/security/selinux/ibpkey.c
+++ b/security/selinux/ibpkey.c
@@ -160,8 +160,10 @@ static int sel_ib_pkey_sid_slow(u64 subnet_prefix, u16 pkey_num, u32 *sid)
 	 * is valid, it just won't be added to the cache.
 	 */
 	new = kzalloc(sizeof(*new), GFP_ATOMIC);
-	if (!new)
+	if (!new) {
+		ret = -ENOMEM;
 		goto out;
+	}
 
 	new->psec.subnet_prefix = subnet_prefix;
 	new->psec.pkey = pkey_num;