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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-06-08 02:07:50 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-08 02:34:36 +0200 |
| commit | d62ff365b812ecd7415252568c1836811b3dde02 (patch) | |
| tree | 1ea4e12f13469cf607bdd46a8686d39ad423b319 | |
| parent | memcg: introduce memory.min (diff) | |
| download | linux-d62ff365b812ecd7415252568c1836811b3dde02.tar.xz linux-d62ff365b812ecd7415252568c1836811b3dde02.zip | |
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>
| -rw-r--r-- | mm/vmpressure.c | 3 |
1 files changed, 1 insertions, 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, ","); |