[PATCH 27/61] net/netlink: Prefer IS_ERR_OR_NULL over manual NULL check

From: Philipp Hahn

Date: Tue Mar 10 2026 - 09:06:42 EST


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

Change generated with coccinelle.

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
To: Eric Dumazet <edumazet@xxxxxxxxxx>
To: Jakub Kicinski <kuba@xxxxxxxxxx>
To: Paolo Abeni <pabeni@xxxxxxxxxx>
To: Simon Horman <horms@xxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Philipp Hahn <phahn-oss@xxxxxx>
---
net/netlink/af_netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 4d609d5cf40653e04de60f2d28ee26b8bdcdc2ed..58707b9da84adf1002ab9eff9401fa2083374189 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2667,7 +2667,7 @@ static void *netlink_seq_start(struct seq_file *seq, loff_t *posp)

netlink_walk_start(iter);

- for (pos = *posp; pos && obj && !IS_ERR(obj); pos--)
+ for (pos = *posp; pos && !IS_ERR_OR_NULL(obj); pos--)
obj = __netlink_seq_next(seq);

return obj;

--
2.43.0