linux-kernel - [PATCH] drm/gma500: fix memory/resource leaks

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Date:   Sun, 18 Aug 2019 23:06:17 -0500
From:   Wenwen Wang <wenwen@...uga.edu>
To:     Wenwen Wang <wenwen@...uga.edu>
Cc:     Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm/gma500: fix memory/resource leaks

In psb_driver_load(), if gma_backlight_init() fails, no cleanup is
executed, leading to memory/resource leaks. To fix this issue, go to the
'out_err' label to perform the cleanup work.

Signed-off-by: Wenwen Wang <wenwen@...uga.edu>
---
 drivers/gpu/drm/gma500/psb_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 7005f8f..8d264ad 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -383,7 +383,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	if (ret)
-		return ret;
+		goto out_err;
 	psb_intel_opregion_enable_asle(dev);
 #if 0
 	/* Enable runtime pm at last */
-- 
2.7.4