From: Zhang Qilong Date: Mon, 2 Nov 2020 14:56:51 +0000 (+0800) Subject: spi: img-spfi: fix reference leak in img_spfi_resume X-Git-Tag: v4.19.164~229 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dc8805b8e90fce4aeafd7e64ae00fd0f68fa310a;p=users%2Fdwmw2%2Flinux.git spi: img-spfi: fix reference leak in img_spfi_resume [ Upstream commit ee5558a9084584015c8754ffd029ce14a5827fa8 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to pm_runtime_put_noidle will result in reference leak in img_spfi_resume, so we should fix it. Fixes: deba25800a12b ("spi: Add driver for IMG SPFI controller") Signed-off-by: Zhang Qilong Link: https://lore.kernel.org/r/20201102145651.3875-1-zhangqilong3@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index e4b31d6e6e33e..25a545c985d4a 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -774,8 +774,10 @@ static int img_spfi_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put_noidle(dev); return ret; + } spfi_reset(spfi); pm_runtime_put(dev);