From de24dade8847885c7bf8c8db0a69bedc99dd4d32 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Wed, 27 Apr 2022 11:16:03 +0800 Subject: [PATCH] crypto: omap-aes - Fix broken pm_runtime_and_get() usage stable inclusion from stable-v5.10.94 commit 2031e0246e459cea7a01b342b5e4b87de8fc090c bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2031e0246e459cea7a01b342b5e4b87de8fc090c -------------------------------- commit c2aec59be093bd44627bc4f6bc67e4614a93a7b6 upstream. This fix is basically the same as 3d6b661330a7 ("crypto: stm32 - Revert broken pm_runtime_resume_and_get changes"), just for the omap driver. If the return value isn't used, then pm_runtime_get_sync() has to be used for ensuring that the usage count is balanced. Fixes: 1f34cc4a8da3 ("crypto: omap-aes - Fix PM reference leak on omap-aes.c") Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Signed-off-by: Zheng Zengkai Acked-by: Xie XiuQi --- drivers/crypto/omap-aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 9b968ac4ee7b..a196bb8b1701 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -1302,7 +1302,7 @@ static int omap_aes_suspend(struct device *dev) static int omap_aes_resume(struct device *dev) { - pm_runtime_resume_and_get(dev); + pm_runtime_get_sync(dev); return 0; } #endif -- GitLab