linux-kernel - [patch 1/2] drm/exynos: mic: fix an error code

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Message-ID: <20160317103214.GA3100@mwanda>
Date:	Thu, 17 Mar 2016 13:32:15 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Inki Dae <inki.dae@...sung.com>
Cc:	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	David Airlie <airlied@...ux.ie>, Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	dri-devel@...ts.freedesktop.org, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch 1/2] drm/exynos: mic: fix an error code

We accidentally return success instead of a negative error code here.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
This is the common problem introduced by do nothing gotos.  The other
issue with do nothing gotos is that they are annoying and don't actually
prevent people from putting a direct return in the middle of functions.

diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index 9869d70..890c9b1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -457,6 +457,7 @@ static int exynos_mic_probe(struct platform_device *pdev)
 							"samsung,disp-syscon");
 	if (IS_ERR(mic->sysreg)) {
 		DRM_ERROR("mic: Failed to get system register.\n");
+		ret = PTR_ERR(mic->sysreg);
 		goto err;
 	}