[PATCH 26/61] net/core: Prefer IS_ERR_OR_NULL over manual NULL check

[Philipp Hahn]

Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
check.

Change generated with coccinelle.

To: Alexei Starovoitov <ast@xxxxxxxxxx>
To: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
To: "David S. Miller" <davem@xxxxxxxxxxxxx>
To: Jakub Kicinski <kuba@xxxxxxxxxx>
To: Jesper Dangaard Brouer <hawk@xxxxxxxxxx>
To: John Fastabend <john.fastabend@xxxxxxxxx>
To: Stanislav Fomichev <sdf@xxxxxxxxxxx>
To: Eric Dumazet <edumazet@xxxxxxxxxx>
To: Paolo Abeni <pabeni@xxxxxxxxxx>
To: Simon Horman <horms@xxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: bpf@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Philipp Hahn <phahn-oss@xxxxxx>
---
 net/core/xdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/xdp.c b/net/core/xdp.c
index 9890a30584ba7b08b246dacb984b639908f16242..c92cac2ccdb759457c7ce6a38e04e20190dff2a3 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -101,7 +101,7 @@ static void mem_allocator_disconnect(void *allocator)
 	do {
 		rhashtable_walk_start(&iter);
 
-		while ((xa = rhashtable_walk_next(&iter)) && !IS_ERR(xa)) {
+		while (!IS_ERR_OR_NULL((xa = rhashtable_walk_next(&iter)))) {
 			if (xa->allocator == allocator)
 				mem_xa_remove(xa);
 		}

-- 
2.43.0