Haowen Bai c06d7aaf29 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>

2022-04-29 14:38:00 -07:00

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