diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 6bf5a3ecd126..3cf8d3adab03 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2160,34 +2160,41 @@ static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { struct v4l2_cropcap *p = arg; + struct v4l2_selection s = { .type = p->type }; + int ret; - if (ops->vidioc_g_selection) { - struct v4l2_selection s = { .type = p->type }; - int ret; - - /* obtaining bounds */ - if (V4L2_TYPE_IS_OUTPUT(p->type)) - s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; - else - s.target = V4L2_SEL_TGT_CROP_BOUNDS; - - ret = ops->vidioc_g_selection(file, fh, &s); - if (ret) - return ret; - p->bounds = s.r; - - /* obtaining defrect */ - if (V4L2_TYPE_IS_OUTPUT(p->type)) - s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; - else - s.target = V4L2_SEL_TGT_CROP_DEFAULT; - - ret = ops->vidioc_g_selection(file, fh, &s); - if (ret) - return ret; - p->defrect = s.r; + if (ops->vidioc_g_selection == NULL) { + /* + * The determine_valid_ioctls() call already should ensure + * that ops->vidioc_cropcap != NULL, but just in case... + */ + if (ops->vidioc_cropcap) + return ops->vidioc_cropcap(file, fh, p); + return -ENOTTY; } + /* obtaining bounds */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; + else + s.target = V4L2_SEL_TGT_CROP_BOUNDS; + + ret = ops->vidioc_g_selection(file, fh, &s); + if (ret) + return ret; + p->bounds = s.r; + + /* obtaining defrect */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; + else + s.target = V4L2_SEL_TGT_CROP_DEFAULT; + + ret = ops->vidioc_g_selection(file, fh, &s); + if (ret) + return ret; + p->defrect = s.r; + /* setting trivial pixelaspect */ p->pixelaspect.numerator = 1; p->pixelaspect.denominator = 1;