| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 293/575] media: mtk-vpu: Fix a resource leak in the error handling path of mtk_vpu_probe() | Date | Mon, 15 Nov 2021 18:00:18 +0100 |
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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ Upstream commit 2143ad413c05c7be24c3a92760e367b7f6aaac92 ]
A successful 'clk_prepare()' call should be balanced by a corresponding 'clk_unprepare()' call in the error handling path of the probe, as already done in the remove function.
Update the error handling path accordingly.
Fixes: 3003a180ef6b ("[media] VPU: mediatek: support Mediatek VPU") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Houlong Wei <houlong.wei@mediatek.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/platform/mtk-vpu/mtk_vpu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c index 36cb9b6131f7e..c62eb212cca92 100644 --- a/drivers/media/platform/mtk-vpu/mtk_vpu.c +++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c @@ -820,7 +820,8 @@ static int mtk_vpu_probe(struct platform_device *pdev) vpu->wdt.wq = create_singlethread_workqueue("vpu_wdt"); if (!vpu->wdt.wq) { dev_err(dev, "initialize wdt workqueue failed\n"); - return -ENOMEM; + ret = -ENOMEM; + goto clk_unprepare; } INIT_WORK(&vpu->wdt.ws, vpu_wdt_reset_func); mutex_init(&vpu->vpu_mutex); @@ -914,6 +915,8 @@ disable_vpu_clk: vpu_clock_disable(vpu); workqueue_destroy: destroy_workqueue(vpu->wdt.wq); +clk_unprepare: + clk_unprepare(vpu->clk); return ret; } -- 2.33.0
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