From d62ff365b812ecd7415252568c1836811b3dde02 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 7 Jun 2018 17:07:50 -0700 Subject: [PATCH] mm/vmpressure.c: use kstrndup instead of kmalloc+strncpy Using kstrndup() simplifies the code. Link: http://lkml.kernel.org/r/20180503201807.24941-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Michal Hocko Cc: David Rientjes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/vmpressure.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 85350ce2d25d..7142207224d3 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -390,12 +390,11 @@ int vmpressure_register_event(struct mem_cgroup *memcg, char *token; int ret = 0; - spec_orig = spec = kzalloc(MAX_VMPRESSURE_ARGS_LEN + 1, GFP_KERNEL); + spec_orig = spec = kstrndup(args, MAX_VMPRESSURE_ARGS_LEN, GFP_KERNEL); if (!spec) { ret = -ENOMEM; goto out; } - strncpy(spec, args, MAX_VMPRESSURE_ARGS_LEN); /* Find required level */ token = strsep(&spec, ","); -- 2.30.2