Commit d62ff365 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Torvalds

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.comSigned-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bf8d5d52
...@@ -390,12 +390,11 @@ int vmpressure_register_event(struct mem_cgroup *memcg, ...@@ -390,12 +390,11 @@ int vmpressure_register_event(struct mem_cgroup *memcg,
char *token; char *token;
int ret = 0; 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) { if (!spec) {
ret = -ENOMEM; ret = -ENOMEM;
goto out; goto out;
} }
strncpy(spec, args, MAX_VMPRESSURE_ARGS_LEN);
/* Find required level */ /* Find required level */
token = strsep(&spec, ","); token = strsep(&spec, ",");
......
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