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kernel: pid_namespace: use NULL instead of using plain integer as pointer
author
Haowen Bai
<baihaowen@meizu.com>
Fri, 29 Apr 2022 21:38:00 +0000
(14:38 -0700)
committer
akpm
<akpm@linux-foundation.org>
Fri, 29 Apr 2022 21:38:00 +0000
(14:38 -0700)
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 <baihaowen@meizu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
kernel/pid_namespace.c
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diff --git
a/kernel/pid_namespace.c
b/kernel/pid_namespace.c
index
a46a372
..
f4f8cb0
100644
(file)
--- 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);