From: Zhang Qilong Date: Tue, 1 Jun 2021 14:51:18 +0000 (+0800) Subject: crypto: omap-sham - Fix PM reference leak in omap sham ops X-Git-Tag: v5.4.132~190 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c5d2f917a8f13ce79f5221159cb7b190ae2206fb;p=users%2Fdwmw2%2Flinux.git crypto: omap-sham - Fix PM reference leak in omap sham ops [ Upstream commit ca323b2c61ec321eb9f2179a405b9c34cdb4f553 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced. Fixes: 604c31039dae4 ("crypto: omap-sham - Check for return value from pm_runtime_get_sync") Signed-off-by: Zhang Qilong Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index d7c0c982ba433..f80db1eb29945 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -364,7 +364,7 @@ static int omap_sham_hw_init(struct omap_sham_dev *dd) { int err; - err = pm_runtime_get_sync(dd->dev); + err = pm_runtime_resume_and_get(dd->dev); if (err < 0) { dev_err(dd->dev, "failed to get sync: %d\n", err); return err; @@ -2236,7 +2236,7 @@ static int omap_sham_suspend(struct device *dev) static int omap_sham_resume(struct device *dev) { - int err = pm_runtime_get_sync(dev); + int err = pm_runtime_resume_and_get(dev); if (err < 0) { dev_err(dev, "failed to get sync: %d\n", err); return err;