linux-kernel - [PATCH AUTOSEL for 4.9 11/50] drm: drm_minor_register(): Clean up debugfs on failure

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Message-ID: <20171025015539.24525-11-alexander.levin@verizon.com>
Date:   Wed, 25 Oct 2017 01:55:55 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Noralf Trønnes <noralf@...nnes.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
Subject: [PATCH AUTOSEL for 4.9 11/50] drm: drm_minor_register(): Clean up
 debugfs on failure

From: Noralf Trønnes <noralf@...nnes.org>

[ Upstream commit a67834f8bfa1e2f48bb27d07b9a552ba7c3af82a ]

Call drm_debugfs_cleanup() in case drm_debugfs_init() fails to
cover for failure in the drm_driver.debugfs_init callback.

Signed-off-by: Noralf Trønnes <noralf@...nnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126225621.12314-3-noralf@tronnes.org
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/gpu/drm/drm_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 362b8cd68a24..80a903bd317d 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -218,7 +218,7 @@ static int drm_minor_register(struct drm_device *dev, unsigned int type)
 	ret = drm_debugfs_init(minor, minor->index, drm_debugfs_root);
 	if (ret) {
 		DRM_ERROR("DRM: Failed to initialize /sys/kernel/debug/dri.\n");
-		return ret;
+		goto err_debugfs;
 	}
 
 	ret = device_add(minor->kdev);
-- 
2.11.0