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Subject: media: mtk-jpeg: Remove cancel worker in mtk_jpeg_remove to avoid the crash of multi-core JPEG devices Author: Zheng Wang <zyytlz...@163.com> Date: Mon Nov 6 15:48:09 2023 +0100 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...@163.com> Signed-off-by: Dmitry Osipenko <dmitry.osipe...@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org> drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 1 - 1 file changed, 1 deletion(-) --- diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 73a063b1569b..7c2e6a2f6c40 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1402,7 +1402,6 @@ 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); _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits