Merge tag 'media/v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - A regression at V4L2 core breaking string controls

 - Build warning fixes on sun6i drivers when building with clang

* tag 'media/v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: sun6i-isp: params: Unregister pending buffer on cleanup
  media: sun6i-isp: params: Fix incorrect indentation
  media: sun6i-isp: capture: Fix uninitialized variable use
  media: sun6i-isp: proc: Declare subdev ops as static
  media: sun6i-isp: proc: Error out on invalid port to fix warning
  media: sun6i-isp: proc: Fix return code handling in stream off path
  media: sun8i-a83t-mipi-csi2: Clarify return code handling in stream off path
  media: sun6i-mipi-csi2: Clarify return code handling in stream off path
  media: sun6i-csi: capture: Remove useless ret initialization
  media: sun6i-csi: bridge: Error out on invalid port to fix warning
  media: v4l2-ctrls-api.c: add back dropped ctrl->is_new = 1

Author: torvalds

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c

@@ -663,7 +663,7 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier,
 		enabled = !bridge->source_parallel.expected;
 		break;
 	default:
-		break;
+		return -EINVAL;
 	}
 
 	source->subdev = remote_subdev;

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c

@@ -832,7 +832,7 @@ static int sun6i_csi_capture_open(struct file *file)
 {
 	struct sun6i_csi_device *csi_dev = video_drvdata(file);
 	struct sun6i_csi_capture *capture = &csi_dev->capture;
-	int ret = 0;
+	int ret;
 
 	if (mutex_lock_interruptible(&capture->lock))
 		return -ERESTARTSYS;

drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c

@@ -188,7 +188,8 @@ static int sun6i_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 		return -ENODEV;
 
 	if (!on) {
-		ret = v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		ret = 0;
 		goto disable;
 	}
 
@@ -280,8 +281,6 @@ static int sun6i_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 	return 0;
 
 disable:
-	if (!on)
-		ret = 0;
 	phy_power_off(dphy);
 	sun6i_mipi_csi2_disable(csi2_dev);
 

drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c

@@ -220,7 +220,8 @@ static int sun8i_a83t_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 		return -ENODEV;
 
 	if (!on) {
-		ret = v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		ret = 0;
 		goto disable;
 	}
 
@@ -312,8 +313,6 @@ static int sun8i_a83t_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 	return 0;
 
 disable:
-	if (!on)
-		ret = 0;
 	phy_power_off(dphy);
 	sun8i_a83t_mipi_csi2_disable(csi2_dev);
 

drivers/media/v4l2-core/v4l2-ctrls-api.c

@@ -150,6 +150,7 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
 			 * then return an error.
 			 */
 			if (strlen(ctrl->p_new.p_char) == ctrl->maximum && last)
+			ctrl->is_new = 1;
 				return -ERANGE;
 		}
 		return ret;

drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c

@@ -108,8 +108,8 @@ sun6i_isp_capture_buffer_configure(struct sun6i_isp_device *isp_dev,
 void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev)
 {
 	unsigned int width, height;
-	unsigned int stride_luma, stride_chroma = 0;
-	unsigned int stride_luma_div4, stride_chroma_div4;
+	unsigned int stride_luma, stride_chroma;
+	unsigned int stride_luma_div4, stride_chroma_div4 = 0;
 	const struct sun6i_isp_capture_format *format;
 	const struct v4l2_format_info *info;
 	u32 pixelformat;

drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c

@@ -183,8 +183,8 @@ void sun6i_isp_params_configure(struct sun6i_isp_device *isp_dev)
 	if (state->configured)
 		goto complete;
 
-	 sun6i_isp_params_configure_modules(isp_dev,
-					    &sun6i_isp_params_config_default);
+	sun6i_isp_params_configure_modules(isp_dev,
+					   &sun6i_isp_params_config_default);
 
 	state->configured = true;
 
@@ -208,6 +208,8 @@ static void sun6i_isp_params_state_cleanup(struct sun6i_isp_device *isp_dev,
 		vb2_buffer = &state->pending->v4l2_buffer.vb2_buf;
 		vb2_buffer_done(vb2_buffer, error ? VB2_BUF_STATE_ERROR :
 				VB2_BUF_STATE_QUEUED);
+
+		state->pending = NULL;
 	}
 
 	list_for_each_entry(isp_buffer, &state->queue, list) {

drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c

@@ -173,8 +173,7 @@ static int sun6i_isp_proc_s_stream(struct v4l2_subdev *subdev, int on)
 	struct sun6i_isp_proc_source *source;
 	struct v4l2_subdev *source_subdev;
 	struct media_pad *remote_pad;
-	/* Initialize to 0 to use both in disable label (ret != 0) and off. */
-	int ret = 0;
+	int ret;
 
 	/* Source */
 
@@ -195,6 +194,7 @@ static int sun6i_isp_proc_s_stream(struct v4l2_subdev *subdev, int on)
 	if (!on) {
 		sun6i_isp_proc_irq_disable(isp_dev);
 		v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		ret = 0;
 		goto disable;
 	}
 
@@ -342,7 +342,7 @@ static const struct v4l2_subdev_pad_ops sun6i_isp_proc_pad_ops = {
 	.set_fmt	= sun6i_isp_proc_set_fmt,
 };
 
-const struct v4l2_subdev_ops sun6i_isp_proc_subdev_ops = {
+static const struct v4l2_subdev_ops sun6i_isp_proc_subdev_ops = {
 	.video	= &sun6i_isp_proc_video_ops,
 	.pad	= &sun6i_isp_proc_pad_ops,
 };
@@ -416,7 +416,7 @@ static int sun6i_isp_proc_notifier_bound(struct v4l2_async_notifier *notifier,
 		enabled = !proc->source_csi0.expected;
 		break;
 	default:
-		break;
+		return -EINVAL;
 	}
 
 	source->subdev = remote_subdev;