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

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: 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

mm/vmpressure.c

+1 −2
Original line number Diff line number Diff line
@@ -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, ",");