linux-kernel - [PATCH] media: exynos4-is: add the missed check for pinctrl_lookup

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Message-Id: <20200527150620.539247-1-hslester96@gmail.com>
Date:   Wed, 27 May 2020 23:06:20 +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 <hslester95@...il.com>,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] media: exynos4-is: add the missed check for pinctrl_lookup_state

From: Chuhong Yuan <hslester95@...il.com>

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

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 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