net/ipv4: cleanup error condition testing

Cleanup testing for error condition.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index d666756..a999451 100644 (file)
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -331,7 +331,7 @@ struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key)
        prev = rhashtable_lookup(&fqdir->rhashtable, key, fqdir->f->rhash_params);
        if (!prev)
                fq = inet_frag_create(fqdir, key, &prev);
-       if (prev && !IS_ERR(prev)) {
+       if (!IS_ERR_OR_NULL(prev)) {
                fq = prev;
                if (!refcount_inc_not_zero(&fq->refcnt))
                        fq = NULL;