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From: Yang Yingliang <yangyingliang@huawei.com>
To: <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Cc: <thierry.reding@gmail.com>, <sam@ravnborg.org>,
	<yangyingliang@huawei.com>
Subject: [PATCH] drm/panel: add missing platform_driver_unregister() on error path
Date: Wed, 11 Nov 2020 14:44:25 +0800	[thread overview]
Message-ID: <20201111064425.3395558-1-yangyingliang@huawei.com> (raw)

If mipi_dsi_driver_register() failed, platform_driver_unregister()
need be called.

Fixes: 210fcd9d9cf1 ("drm/panel: Add support for Panasonic VVX10F004B0")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 2be358fb46f7..2966ac13c538 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -4644,8 +4644,10 @@ static int __init panel_simple_init(void)
 
 	if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
 		err = mipi_dsi_driver_register(&panel_simple_dsi_driver);
-		if (err < 0)
+		if (err < 0) {
+			platform_driver_unregister(&panel_simple_platform_driver);
 			return err;
+		}
 	}
 
 	return 0;
-- 
2.25.1


             reply	other threads:[~2020-11-11  6:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-11  6:44 Yang Yingliang [this message]
2020-11-11  7:20 ` Sam Ravnborg

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