From: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx> gcc-8 reports drivers/media/media-device.c: In function 'media_device_get_topology': ./include/linux/string.h:245:9: warning: '__builtin_strncpy' specified bound 64 equals destination size [-Wstringop-truncation] We need to use strlcpy() to make sure the dest string is nul-terminated. Signed-off-by: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx> --- drivers/media/media-device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index e79f72b..f442444 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -255,7 +255,7 @@ static long media_device_get_topology(struct media_device *mdev, memset(&kentity, 0, sizeof(kentity)); kentity.id = entity->graph_obj.id; kentity.function = entity->function; - strncpy(kentity.name, entity->name, + strlcpy(kentity.name, entity->name, sizeof(kentity.name)); if (copy_to_user(uentity, &kentity, sizeof(kentity))) -- 1.8.3.1
