linux-kernel - [PATCH] driver: bdisp: add pm_runtime_disable in the error handling code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20211013041527.2859626-1-mudongliangabcd@gmail.com>
Date:   Wed, 13 Oct 2021 12:15:27 +0800
From:   Dongliang Mu <mudongliangabcd@...il.com>
To:     Fabien Dessenne <fabien.dessenne@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Dongliang Mu <mudongliangabcd@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] driver: bdisp: add pm_runtime_disable in the error handling code

In the error handling code of bdisp_probe, it fails to invoke
pm_runtime_disable in many error sites.

Fix this by adding pm_runtime_disable after pm_runtime_put.

Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>
---
 drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 6413cd279125..1f220f216b72 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -1394,6 +1394,7 @@ static int bdisp_probe(struct platform_device *pdev)
 	bdisp_hw_free_filters(bdisp->dev);
 err_pm:
 	pm_runtime_put(dev);
+	pm_runtime_disable(dev);
 err_remove:
 	bdisp_debugfs_remove(bdisp);
 	v4l2_device_unregister(&bdisp->v4l2_dev);
-- 
2.25.1