[PATCH 02/16] drm/mgag200: Fix memleak in error path in mgag200_bo_create()

Egbert Eich eich at suse.com
Wed Jul 17 06:07:15 PDT 2013


The allocated struct mgag200_bo was not freed in all error paths.
This patch consolidates error handling and fixes this.

Signed-off-by: Egbert Eich <eich at suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_ttm.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index 3acb2b0..6461fd2 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -316,10 +316,8 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
 		return -ENOMEM;
 
 	ret = drm_gem_object_init(dev, &mgabo->gem, size);
-	if (ret) {
-		kfree(mgabo);
-		return ret;
-	}
+	if (ret)
+		goto err;
 
 	mgabo->gem.driver_private = NULL;
 	mgabo->bo.bdev = &mdev->ttm.bdev;
@@ -334,10 +332,13 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
 			  align >> PAGE_SHIFT, false, NULL, acc_size,
 			  NULL, mgag200_bo_ttm_destroy);
 	if (ret)
-		return ret;
+		goto err;
 
 	*pmgabo = mgabo;
 	return 0;
+err:
+	kfree(mgabo);
+	return ret;
 }
 
 static inline u64 mgag200_bo_gpu_offset(struct mgag200_bo *bo)
-- 
1.8.1.4



More information about the dri-devel mailing list