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authorXu Panda <xu.panda@zte.com.cn>2023-01-09 19:46:55 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-01-18 17:12:59 -0800
commitb6f00c9190c8e694c9b2b38e7cc63964f7a99195 (patch)
tree3ddcfcd3da7aba63e34bef40bd266296b583024a /mm/damon
parente8dfc854eef20ac7663996f61837299887f380fc (diff)
mm/damon/sysfs-schemes: use strscpy() to instead of strncpy()
The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Link: https://lkml.kernel.org/r/202301091946553770006@zte.com.cn Signed-off-by: Xu Panda <xu.panda@zte.com.cn> Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon')
-rw-r--r--mm/damon/sysfs-schemes.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index f0dabe3e2dc0..86edca66aab1 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -353,8 +353,7 @@ static ssize_t memcg_path_store(struct kobject *kobj,
if (!path)
return -ENOMEM;
- strncpy(path, buf, count);
- path[count] = '\0';
+ strscpy(path, buf, count + 1);
filter->memcg_path = path;
return count;
}