linux-kernel - [PATCH v2] media: exynos4-is: Add missed check for pinctrl_lookup

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>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200528064147.547158-1-hslester96@gmail.com>
Date:   Thu, 28 May 2020 14:41:47 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH v2] media: exynos4-is: Add missed check for pinctrl_lookup_state()

fimc_md_get_pinctrl() misses a check for pinctrl_lookup_state().
Add the missed check to fix it.

Fixes: 4163851f7b99 ("[media] s5p-fimc: Use pinctrl API for camera ports configuration]") 
Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
Changes in v2:
  - Add fixes tag.

 drivers/media/platform/exynos4-is/media-dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 9aaf3b8060d5..9c31d950cddf 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -1270,6 +1270,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd)
 
 	pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl,
 					PINCTRL_STATE_IDLE);
+	if (IS_ERR(pctl->state_idle))
+		return PTR_ERR(pctl->state_idle);
+
 	return 0;
 }
 
-- 
2.26.2