Just show the Camera index as input name in VIDIOC_ENUM_INPUT, no need to show the subdev name as well as that is meaningless for users anyway. This fixes this compiler warning: drivers/media/platform/renesas/renesas-ceu.c: In function 'ceu_enum_input': drivers/media/platform/renesas/renesas-ceu.c:1195:59: warning: '%s' directive output may be truncated writing up to 47 bytes into a region of size between 14 and 23 [-Wformat-truncation=] 1195 | snprintf(inp->name, sizeof(inp->name), "Camera%u: %s", | ^~ drivers/media/platform/renesas/renesas-ceu.c:1195:9: note: 'snprintf' output between 10 and 66 bytes into a destination of size 32 1195 | snprintf(inp->name, sizeof(inp->name), "Camera%u: %s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1196 | inp->index, ceusd->v4l2_sd->name); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Reviewed-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> --- drivers/media/platform/renesas/renesas-ceu.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/media/platform/renesas/renesas-ceu.c b/drivers/media/platform/renesas/renesas-ceu.c index ec631c6e2a57..2562b30acfb9 100644 --- a/drivers/media/platform/renesas/renesas-ceu.c +++ b/drivers/media/platform/renesas/renesas-ceu.c @@ -1183,17 +1183,13 @@ static int ceu_enum_input(struct file *file, void *priv, struct v4l2_input *inp) { struct ceu_device *ceudev = video_drvdata(file); - struct ceu_subdev *ceusd; if (inp->index >= ceudev->num_sd) return -EINVAL; - ceusd = ceudev->subdevs[inp->index]; - inp->type = V4L2_INPUT_TYPE_CAMERA; inp->std = 0; - snprintf(inp->name, sizeof(inp->name), "Camera%u: %s", - inp->index, ceusd->v4l2_sd->name); + snprintf(inp->name, sizeof(inp->name), "Camera %u", inp->index); return 0; } -- 2.40.1