From: Xu Panda <xu.panda@xxxxxxxxxx> The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx> Signed-off-by: Yang Yang <yang.yang29@xxxxxxxxxx> --- kernel/trace/blktrace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 918a7d12df8f..ff0cc68d7667 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -524,8 +524,7 @@ static int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev, if (!buts->buf_size || !buts->buf_nr) return -EINVAL; - strncpy(buts->name, name, BLKTRACE_BDEV_SIZE); - buts->name[BLKTRACE_BDEV_SIZE - 1] = '\0'; + strscpy(buts->name, name, BLKTRACE_BDEV_SIZE); /* * some device names have larger paths - convert the slashes -- 2.15.2
