linux-kernel - [PATCH] drm/radeon: Calling object_unrefer() when creating fb failure

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1359611943.12399.2.camel@suxuemin.sh.intel.com>
Date:	Thu, 31 Jan 2013 13:59:03 +0800
From:	"Su, Xuemin" <xuemin.su@...el.com>
To:	airlied@...ux.ie, airlied@...hat.com, alexander.deucher@....com,
	s.hauer@...gutronix.de, ihadzic@...earch.bell-labs.com,
	laurent.pinchart@...asonboard.com, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Cc:	bo.he@...el.com, xuemin.su@...el.com, yanmin_zhang@...ux.intel.com,
	chuansheng.liu@...el.com
Subject: [PATCH] drm/radeon: Calling object_unrefer() when creating fb
 failure

From: liu chuansheng <chuansheng.liu@...el.com>
Date: Thu, 31 Jan 2013 22:13:00 +0800
Subject: [PATCH] drm/radeon: Calling object_unrefer() when creating fb
 failure

When kzalloc() failed in radeon_user_framebuffer_create(), need to
call object_unreference() to match the object_reference().

Signed-off-by: liu chuansheng <chuansheng.liu@...el.com>
Signed-off-by: xueminsu <xuemin.su@...el.com>
---
 drivers/gpu/drm/radeon/radeon_display.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index ff3def7..05c96fa 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1115,8 +1115,10 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 	}
 
 	radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
-	if (radeon_fb == NULL)
+	if (radeon_fb == NULL) {
+		drm_gem_object_unreference_unlocked(obj);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
 	if (ret) {
-- 
1.7.6



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/