aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndy Shevchenko <[email protected]>2018-06-07 17:07:50 -0700
committerLinus Torvalds <[email protected]>2018-06-07 17:34:36 -0700
commitd62ff365b812ecd7415252568c1836811b3dde02 (patch)
tree1ea4e12f13469cf607bdd46a8686d39ad423b319
parentbf8d5d52ffe89aac5b46ddb39dd1a4351fae5df4 (diff)
mm/vmpressure.c: use kstrndup instead of kmalloc+strncpy
Using kstrndup() simplifies the code. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Andy Shevchenko <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: David Rientjes <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/vmpressure.c3
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, ",");