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(parent: 7dd2dd4) | patch
dmaengine: usb-dmac: Fix PM reference leak in usb_dmac_probe()
authorYu Kuai <yukuai3@huawei.com>
Tue, 6 Jul 2021 12:45:21 +0000 (20:45 +0800)
committerVinod Koul <vkoul@kernel.org>
Wed, 14 Jul 2021 05:11:21 +0000 (10:41 +0530)
commit1da569fa7ec8cb0591c74aa3050d4ea1397778b4
treefa211718fd386bb9fe13edec8df8ec94d8e1e6c9tree | snapshot
parent7dd2dd4ff9f3abda601f22b9d01441a0869d20d7commit | diff
dmaengine: usb-dmac: Fix PM reference leak in usb_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 moving the error_pm label above the pm_runtime_put() in
the error path.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20210706124521.1371901-1-yukuai3@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/sh/usb-dmac.c diff | blob | history
Domain: System / Kernel;