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

[Dan Carpenter]

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.carpen...@oracle.com>

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;