[PATCH 4.4] drm/qxl: qxl_release leak in qxl_draw_dirty_fb()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



>From 85e9b88af1e6164f19ec71381efd5e2bcfc17620 Mon Sep 17 00:00:00 2001
From: Vasily Averin <vvs@xxxxxxxxxxxxx>
Date: Mon, 27 Apr 2020 08:32:46 +0300
Subject: [PATCH] drm/qxl: qxl_release leak in qxl_draw_dirty_fb()

ret should be changed to release allocated struct qxl_release

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 8002db6336dd ("qxl: convert qxl driver to proper use for reservations")
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/22cfd55f-07c8-95d0-a2f7-191b7153c3d4@xxxxxxxxxxxxx
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>

backported to v4.4-stable

Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/qxl/qxl_draw.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c
index 6e6c76080d6a..c8ccb3765597 100644
--- a/drivers/gpu/drm/qxl/qxl_draw.c
+++ b/drivers/gpu/drm/qxl/qxl_draw.c
@@ -352,9 +352,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
 		goto out_release_backoff;
 
 	rects = drawable_set_clipping(qdev, drawable, num_clips, clips_bo);
-	if (!rects)
+	if (!rects) {
+		ret = -EINVAL;
 		goto out_release_backoff;
-
+	}
 	drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
 
 	drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
-- 
2.17.1




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux