linux-kernel - [PATCH] Memory leak in nouveau_sgdma_create

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Message-Id: <1393512097-10597-1-git-send-email-xypron.glpk@gmx.de>
Date:	Thu, 27 Feb 2014 15:41:37 +0100
From:	xypron.glpk@....de
To:	airlied@...ux.ie
Cc:	bskeggs@...hat.com, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH] Memory leak in nouveau_sgdma_create_ttm

From: Heinrich Schuchardt <xypron.glpk@....de>

In case of failure memory was not freed.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 drivers/gpu/drm/nouveau/nouveau_sgdma.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index a4d22e5..23d880b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -109,7 +109,9 @@ nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
 	else
 		nvbe->ttm.ttm.func = &nv50_sgdma_backend;
 
-	if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page))
+	if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page)) {
+		kfree(nvbe);
 		return NULL;
+	}
 	return &nvbe->ttm.ttm;
 }
-- 
1.7.10.4

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