From: Laurent Pinchart Date: Wed, 15 Oct 2025 07:53:30 +0000 (+0300) Subject: media: m2m-deinterlace: Drop unneeded v4l2_m2m_get_vq() NULL check X-Git-Tag: v6.19-rc1~159^2~216 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0e8255bf1be3f58789516ca156539559f4f3ddb0;p=thirdparty%2Fkernel%2Flinux.git media: m2m-deinterlace: Drop unneeded v4l2_m2m_get_vq() NULL check The v4l2_m2m_get_vq() function never returns NULL. In the set format handler, the check may have been intended to catch invalid format types, but that's not needed as the V4L2 core picks the appropriate VIDIOC_S_FMT ioctl handler based on the format type, so the type can't be incorrect. In the get format handler, the return value is not used for any purpose other than the NULL check, which was therefore probably intended to catch invalid format types. That's not needed for the same reason as in the set format handler. Drop the unneeded return value checks and, as the function has no side effect, the unneeded function call as well. Signed-off-by: Laurent Pinchart Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c index e07e57d4206ba..af098874ead59 100644 --- a/drivers/media/platform/m2m-deinterlace.c +++ b/drivers/media/platform/m2m-deinterlace.c @@ -485,13 +485,8 @@ static int vidioc_enum_fmt_vid_out(struct file *file, void *priv, static int vidioc_g_fmt(struct deinterlace_ctx *ctx, struct v4l2_format *f) { - struct vb2_queue *vq; struct deinterlace_q_data *q_data; - vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); - if (!vq) - return -EINVAL; - q_data = get_q_data(f->type); f->fmt.pix.width = q_data->width; @@ -586,8 +581,6 @@ static int vidioc_s_fmt(struct deinterlace_ctx *ctx, struct v4l2_format *f) struct vb2_queue *vq; vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); - if (!vq) - return -EINVAL; q_data = get_q_data(f->type); if (!q_data)