* [PATCH] kernel: pid_namespace: use NULL instead of using plain integer as pointer
@ 2022-03-22 10:18 Haowen Bai
0 siblings, 0 replies; only message in thread
From: Haowen Bai @ 2022-03-22 10:18 UTC (permalink / raw)
To: akpm, vvs, shakeelb, brauner, mkoutny; +Cc: linux-kernel, Haowen Bai
This fixes the following sparse warnings:
kernel/pid_namespace.c:55:77: warning: Using plain integer as NULL pointer
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
kernel/pid_namespace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index a46a372..f4f8cb0 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);
--
2.7.4
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2022-03-22 10:18 [PATCH] kernel: pid_namespace: use NULL instead of using plain integer as pointer Haowen Bai
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