media: renesas-ceu: fix compiler warning

In function 'strncpy',
    inlined from 'ceu_notify_complete' at drivers/media/platform/renesas-ceu.c:1378:2:
include/linux/string.h:246:9: warning: '__builtin_strncpy' output truncated before terminating nul copying 11 bytes from a string of the same length [-Wstringop-truncation]
  return __builtin_strncpy(p, q, size);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/platform/renesas-ceu.c b/drivers/media/platform/renesas-ceu.c
index 4879261857fc521ebf70de4518a633673815142e..fe4fe944592d57a1b40f29edb37e5d2153f41ed6 100644 (file)
--- a/drivers/media/platform/renesas-ceu.c
+++ b/drivers/media/platform/renesas-ceu.c
@@ -1375,7 +1375,7 @@ static int ceu_notify_complete(struct v4l2_async_notifier *notifier)
                return ret;
 
        /* Register the video device. */
-       strncpy(vdev->name, DRIVER_NAME, strlen(DRIVER_NAME));
+       strlcpy(vdev->name, DRIVER_NAME, sizeof(vdev->name));
        vdev->v4l2_dev          = v4l2_dev;
        vdev->lock              = &ceudev->mlock;
        vdev->queue             = &ceudev->vb2_vq;