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Subject[PATCH] kernel: pid_namespace : fix warning Using plain integer as NULL pointer
changed passing function argument "0 to NULL" to fix below sparse
warning

kernel/pid_namespace.c:55:76: warning: Using plain integer as NULL
pointer

did changes to avoid checkpatch error "prefer a maximum 75 chars per
line"

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
kernel/pid_namespace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index aa6e72f..6e4afdc 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -52,7 +52,8 @@ static struct kmem_cache *create_pid_cachep(unsigned int level)
mutex_lock(&pid_caches_mutex);
/* Name collision forces to do allocation under mutex. */
if (!*pkc)
- *pkc = kmem_cache_create(name, len, 0, SLAB_HWCACHE_ALIGN, 0);
+ *pkc =
+ kmem_cache_create(name, len, 0, SLAB_HWCACHE_ALIGN, 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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