Patch "media: qcom: camss: Fix V4L2 async notifier error path" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    media: qcom: camss: Fix V4L2 async notifier error path

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     media-qcom-camss-fix-v4l2-async-notifier-error-path.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 857864a875e721f09193fd3002901e6d112d5dc7
Author: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Date:   Wed Aug 30 16:16:07 2023 +0100

    media: qcom: camss: Fix V4L2 async notifier error path
    
    [ Upstream commit b278080a89f452063915beda0ade6b3ed5ee4271 ]
    
    Previously the jump label err_cleanup was used higher in the probe()
    function to release the async notifier however the async notifier
    registration was moved later in the code rendering the previous four jumps
    redundant.
    
    Rename the label from err_cleanup to err_v4l2_device_unregister to capture
    what the jump does.
    
    Fixes: 51397a4ec75d ("media: qcom: Initialise V4L2 async notifier later")
    Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
    Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
    [hverkuil: fix old name in commit log: err_v4l2_device_register -> err_v4l2_device_unregister]
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 75991d849b571..a925b2bfd8989 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1617,21 +1617,21 @@ static int camss_probe(struct platform_device *pdev)
 
 	ret = camss_icc_get(camss);
 	if (ret < 0)
-		goto err_cleanup;
+		return ret;
 
 	ret = camss_configure_pd(camss);
 	if (ret < 0) {
 		dev_err(dev, "Failed to configure power domains: %d\n", ret);
-		goto err_cleanup;
+		return ret;
 	}
 
 	ret = camss_init_subdevices(camss);
 	if (ret < 0)
-		goto err_cleanup;
+		return ret;
 
 	ret = dma_set_mask_and_coherent(dev, 0xffffffff);
 	if (ret)
-		goto err_cleanup;
+		return ret;
 
 	camss->media_dev.dev = camss->dev;
 	strscpy(camss->media_dev.model, "Qualcomm Camera Subsystem",
@@ -1643,7 +1643,7 @@ static int camss_probe(struct platform_device *pdev)
 	ret = v4l2_device_register(camss->dev, &camss->v4l2_dev);
 	if (ret < 0) {
 		dev_err(dev, "Failed to register V4L2 device: %d\n", ret);
-		goto err_cleanup;
+		return ret;
 	}
 
 	v4l2_async_nf_init(&camss->notifier, &camss->v4l2_dev);
@@ -1651,12 +1651,12 @@ static int camss_probe(struct platform_device *pdev)
 	num_subdevs = camss_of_parse_ports(camss);
 	if (num_subdevs < 0) {
 		ret = num_subdevs;
-		goto err_cleanup;
+		goto err_v4l2_device_unregister;
 	}
 
 	ret = camss_register_entities(camss);
 	if (ret < 0)
-		goto err_cleanup;
+		goto err_v4l2_device_unregister;
 
 	if (num_subdevs) {
 		camss->notifier.ops = &camss_subdev_notifier_ops;
@@ -1690,7 +1690,7 @@ static int camss_probe(struct platform_device *pdev)
 
 err_register_subdevs:
 	camss_unregister_entities(camss);
-err_cleanup:
+err_v4l2_device_unregister:
 	v4l2_device_unregister(&camss->v4l2_dev);
 	v4l2_async_nf_cleanup(&camss->notifier);
 




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