[PATCH linux-next] block: use strscpy() is more robust and safer

From: yang.yang29
Date: Wed Nov 09 2022 - 08:33:01 EST


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.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxx>
---
block/elevator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/elevator.c b/block/elevator.c
index a5bdc3b1e7e5..0885b66c3868 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -749,7 +749,7 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *buf,
if (!elv_support_iosched(q))
return count;

- strlcpy(elevator_name, buf, sizeof(elevator_name));
+ strscpy(elevator_name, buf, sizeof(elevator_name));
ret = elevator_change(q, strstrip(elevator_name));
if (!ret)
return count;
--
2.15.2