Commit d62ff365 authored Jun 07, 2018 by Andy Shevchenko Committed by Linus Torvalds Jun 07, 2018

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 <andriy.shevchenko@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus 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, ",");

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