diff mbox series

[v2,1/3] media: mtk-jpeg: Remove cancel worker in mtk_jpeg_remove to avoid the crash of multi-core JPEG devices

Message ID 20231031071644.20086-2-zyytlz.wz@163.com (mailing list archive)
State New
Headers show
Series Fix use-after-free bug in mtk_jpeg_dec_device_run | expand

Commit Message

Zheng Wang Oct. 31, 2023, 7:16 a.m. UTC
This patch reverts commit c677d7ae8314
("media: mtk-jpeg: Fix use after free bug due to uncanceled work").
The job_timeout_work is initialized only for
the single-core JPEG device so it will cause the crash for multi-core
JPEG devices.

Fix it by removing the cancel_delayed_work_sync function.

Fixes: c677d7ae8314 ("media: mtk-jpeg: Fix use after free bug due to uncanceled work")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
v2:
- put the patches into a single series suggested by Dmitry
---
 drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 7194f88edc0f..60425c99a2b8 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1403,7 +1403,6 @@  static void mtk_jpeg_remove(struct platform_device *pdev)
 {
 	struct mtk_jpeg_dev *jpeg = platform_get_drvdata(pdev);
 
-	cancel_delayed_work_sync(&jpeg->job_timeout_work);
 	pm_runtime_disable(&pdev->dev);
 	video_unregister_device(jpeg->vdev);
 	v4l2_m2m_release(jpeg->m2m_dev);