| Message ID | 20231106144811.868127-2-zyytlz.wz@163.com |
|---|---|
| State | Accepted |
| Commit | d8212c5c87c143ca01b78f6bf61244af07e0058e |
| Headers | show |
| Series | [RESEND,v2,1/3] media: mtk-jpeg: Remove cancel worker in mtk_jpeg_remove to avoid the crash of multi-core JPEG devices | expand |
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);
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(-)