Messages in this thread Patch in this message | | | Date | Thu, 5 Jan 2023 20:16:13 +0800 (CST) | From | <> | Subject | [PATCH linux-next] blktrace: use strscpy() to instead of strncpy() |
| |
From: Xu Panda <xu.panda@zte.com.cn>
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@zte.com.cn> Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> --- 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
| |