linux-kernel - [PATCH] DRM: TTM: Fix memory leak issue in ttm_agp_tt

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Message-Id: <1381228565-20846-1-git-send-email-csmanjuvijay@gmail.com>
Date:	Tue,  8 Oct 2013 16:06:04 +0530
From:	Majunath Goudar <csmanjuvijay@...il.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	nataraja.km@....com, Majunath Goudar <csmanjuvijay@...il.com>,
	Jeyaraman R <jeyaraman.rangasamy@....com>,
	David Airlie <airlied@...ux.ie>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dave Jones <davej@...hat.com>,
	Dave Airlie <airlied@...hat.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] DRM: TTM: Fix memory leak issue in ttm_agp_tt_create().

This patch adds kfree() in ttm_agp_tt_create() to avoide the
memory leak, without this there is a chance of memory leak in
ttm_tt_init() fail case.

Signed-off-by: Jeyaraman R <jeyaraman.rangasamy@....com>
Signed-off-by: Manjunath Goudar <csmanjuvijay@...il.com>
Cc: David Airlie <airlied@...ux.ie>
Cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Dave Jones <davej@...hat.com>
Cc: Dave Airlie <airlied@...hat.com>
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/gpu/drm/ttm/ttm_agp_backend.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c
index 3302f99..764be36 100644
--- a/drivers/gpu/drm/ttm/ttm_agp_backend.c
+++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c
@@ -126,6 +126,7 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev,
 	agp_be->ttm.func = &ttm_agp_func;
 
 	if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) {
+		kfree(agp_be);
 		return NULL;
 	}
 
-- 
1.7.9.5

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