Patch "drm/qxl: unref cursor bo when finished with it" has been added to the 4.14-stable tree

Patch "drm/qxl: unref cursor bo when finished with it" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/qxl: unref cursor bo when finished with it

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-qxl-unref-cursor-bo-when-finished-with-it.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 16c6db3688734b27487a42d0c2a1062d0b2bad03 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Mon, 27 Nov 2017 16:50:09 -0500
Subject: drm/qxl: unref cursor bo when finished with it

From: Ray Strode <rstrode@redhat.com>

commit 16c6db3688734b27487a42d0c2a1062d0b2bad03 upstream.

qxl_cursor_atomic_update allocs a bo for the cursor that
it never frees up at the end of the function.

This commit fixes that.

Signed-off-by: Ray Strode <rstrode@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/qxl/qxl_display.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -564,7 +564,7 @@ static void qxl_cursor_atomic_update(str
 	struct qxl_cursor_cmd *cmd;
 	struct qxl_cursor *cursor;
 	struct drm_gem_object *obj;
-	struct qxl_bo *cursor_bo, *user_bo = NULL;
+	struct qxl_bo *cursor_bo = NULL, *user_bo = NULL;
 	int ret;
 	void *user_ptr;
 	int size = 64*64*4;
@@ -634,6 +634,8 @@ static void qxl_cursor_atomic_update(str
 	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 	qxl_release_fence_buffer_objects(release);
 
+	qxl_bo_unref(&cursor_bo);
+
 	return;
 
 out_backoff:


Patches currently in stable-queue which might be from rstrode@redhat.com are

queue-4.14/drm-qxl-unref-cursor-bo-when-finished-with-it.patch