Thread (8 messages) 8 messages, 3 authors, 2023-11-22

Re: [PATCH 1/2] media: rkisp1: Fix media device memory leak

From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Date: 2023-11-22 15:46:57
Also in: linux-media, linux-rockchip, lkml

On 22/11/2023 17:42, Laurent Pinchart wrote:
Hi Tomi,

Thank you for the patch.

On Wed, Nov 22, 2023 at 04:42:22PM +0200, Tomi Valkeinen wrote:
quoted
Add missing calls to media_device_cleanup() to fix memory leak.

Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
  drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 3 +++
  1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
index c41abd2833f1..e10cc2881757 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
@@ -617,6 +617,7 @@ static int rkisp1_probe(struct platform_device *pdev)
  	media_device_unregister(&rkisp1->media_dev);
  err_unreg_v4l2_dev:
  	v4l2_device_unregister(&rkisp1->v4l2_dev);
+	media_device_cleanup(&rkisp1->media_dev);
As media_device_cleanup() cleans up for media_device_init(), shouldn't
it go to the err_pm_runtime_disable label ? The label may need to be
renamed to err_media_cleanup then.
Oops, you're right. I'll fix that.

  Tomi
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
quoted
  err_pm_runtime_disable:
  	pm_runtime_disable(&pdev->dev);
  	return ret;
@@ -637,6 +638,8 @@ static void rkisp1_remove(struct platform_device *pdev)
  	media_device_unregister(&rkisp1->media_dev);
  	v4l2_device_unregister(&rkisp1->v4l2_dev);
  
+	media_device_cleanup(&rkisp1->media_dev);
+
  	pm_runtime_disable(&pdev->dev);
  }
  

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