dmaengine: rcar-dmac: Fix PM reference leak in rcar_dmac_probe()
authorZou Wei <zou_wei@huawei.com>
Mon, 31 May 2021 06:36:03 +0000 (14:36 +0800)
committerVinod Koul <vkoul@kernel.org>
Thu, 3 Jun 2021 11:07:37 +0000 (16:37 +0530)
commitdea8464ddf553803382efb753b6727dbf3931d06
tree2fd2d72d307fc82fb2d69c92a86913a5b66b6d46
parent99b18e88a1cf737ae924123d63b46d9a3d17b1af
dmaengine: rcar-dmac: Fix PM reference leak in rcar_dmac_probe()

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1622442963-54095-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/sh/rcar-dmac.c