The patch titled
Subject: mm/vmpressure.c: use kstrndup instead of kmalloc+strncpy
has been added to the -mm tree. Its filename is
mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy.patch
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------------------------------------------------------
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmpressure.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/vmpressure.c~mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy mm/vmpressure.c
--- a/mm/vmpressure.c~mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy
+++ a/mm/vmpressure.c
@@ -390,12 +390,11 @@ int vmpressure_register_event(struct mem
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, ",");
_
Patches currently in -mm which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
mm-vmpressure-use-kstrndup-instead-of-kmallocstrncpy.patch
mm-vmpressure-convert-to-use-match_string-helper.patch
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