From: Haowen Bai Date: Fri, 29 Apr 2022 21:38:00 +0000 (-0700) Subject: kernel: pid_namespace: use NULL instead of using plain integer as pointer X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c06d7aaf2951ce7f986a879127995728d63d8577;p=linux.git kernel: pid_namespace: use NULL instead of using plain integer as pointer This fixes the following sparse warnings: kernel/pid_namespace.c:55:77: warning: Using plain integer as NULL pointer Link: https://lkml.kernel.org/r/1647944288-2806-1-git-send-email-baihaowen@meizu.com Signed-off-by: Haowen Bai Signed-off-by: Andrew Morton --- diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index a46a3723bc662..f4f8cb0435b45 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -52,7 +52,7 @@ static struct kmem_cache *create_pid_cachep(unsigned int level) /* Name collision forces to do allocation under mutex. */ if (!*pkc) *pkc = kmem_cache_create(name, len, 0, - SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, 0); + SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, NULL); mutex_unlock(&pid_caches_mutex); /* current can fail, but someone else can succeed. */ return READ_ONCE(*pkc);