kernel: pid_namespace: use NULL instead of using plain integer as pointer
authorHaowen Bai <baihaowen@meizu.com>
Fri, 29 Apr 2022 21:38:00 +0000 (14:38 -0700)
committerakpm <akpm@linux-foundation.org>
Fri, 29 Apr 2022 21:38:00 +0000 (14:38 -0700)
commitc06d7aaf2951ce7f986a879127995728d63d8577
tree2c77e20b2c56ea4acac773ef4b3015cab4752fb2
parent6308499b5e99c0c903fde2c605e41d9a86c4be6c
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 <baihaowen@meizu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
kernel/pid_namespace.c