From: Philipp Hahn <phahn-oss@avm.de>
Date: Tue, 10 Mar 2026 11:48:42 +0000 (+0100)
Subject: sched: Prefer IS_ERR_OR_NULL over manual NULL check
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98059335382dc5870207d6a0c1c9e7a004d627ad;p=thirdparty%2Fkernel%2Flinux.git

sched: Prefer IS_ERR_OR_NULL over manual NULL check

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

Change generated with coccinelle.

Signed-off-by: Philipp Hahn <phahn-oss@avm.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 07476355bfd52..93a230859dd7c 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -4529,7 +4529,7 @@ static void scx_sched_free_rcu_work(struct work_struct *work)
 	do {
 		rhashtable_walk_start(&rht_iter);
 
-		while ((dsq = rhashtable_walk_next(&rht_iter)) && !IS_ERR(dsq))
+		while (!IS_ERR_OR_NULL((dsq = rhashtable_walk_next(&rht_iter))))
 			destroy_dsq(sch, dsq->id);
 
 		rhashtable_walk_stop(&rht_iter);