Messages in this thread Patch in this message | | | From | Jernej Skrabec <> | Subject | [PATCH v2 1/9] media: hantro: Fix probe func error path | Date | Mon, 29 Nov 2021 19:26:25 +0100 |
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If clocks for some reason couldn't be enabled, probe function returns immediately, without disabling PM. This obviously leaves PM ref counters unbalanced.
Fix that by jumping to appropriate error path, so effects of PM functions are reversed.
Fixes: 775fec69008d ("media: add Rockchip VPU JPEG encoder driver") Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- drivers/staging/media/hantro/hantro_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index ab2467998d29..3d3107a39dae 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -981,7 +981,7 @@ static int hantro_probe(struct platform_device *pdev) ret = clk_bulk_prepare(vpu->variant->num_clocks, vpu->clocks); if (ret) { dev_err(&pdev->dev, "Failed to prepare clocks\n"); - return ret; + goto err_pm_disable; } ret = v4l2_device_register(&pdev->dev, &vpu->v4l2_dev); @@ -1037,6 +1037,7 @@ static int hantro_probe(struct platform_device *pdev) v4l2_device_unregister(&vpu->v4l2_dev); err_clk_unprepare: clk_bulk_unprepare(vpu->variant->num_clocks, vpu->clocks); +err_pm_disable: pm_runtime_dont_use_autosuspend(vpu->dev); pm_runtime_disable(vpu->dev); return ret; -- 2.34.1
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