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media: mtk-vpu: Fix a resource leak in the error handling path of 'mtk_vpu_probe()'

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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: 3003a180ef ("[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>
This commit is contained in:
Christophe JAILLET 2021-08-19 22:21:25 +02:00 committed by Mauro Carvalho Chehab
parent 749d896551
commit 2143ad413c
1 changed files with 4 additions and 1 deletions
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5
drivers/media/platform/mtk-vpu/mtk_vpu.c
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@ -848,7 +848,8 @@ 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);
@ -942,6 +943,8 @@ disable_vpu_clk:
vpu_clock_disable(vpu);
workqueue_destroy:
destroy_workqueue(vpu->wdt.wq);
clk_unprepare:
clk_unprepare(vpu->clk);
return ret;
}