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drm: qxl: add missing return check
author
Dan Carpenter
<dan.carpenter@oracle.com>
Tue, 14 Mar 2017 07:54:10 +0000
(10:54 +0300)
committer
Gerd Hoffmann
<kraxel@redhat.com>
Tue, 14 Mar 2017 10:54:20 +0000
(11:54 +0100)
My static checker complains that "release" is uninitialized if
qxl_alloc_release_reserved() fails, so let's add a check for that.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/20170314075410.GB5984@mwanda
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drivers/gpu/drm/qxl/qxl_display.c
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diff --git
a/drivers/gpu/drm/qxl/qxl_display.c
b/drivers/gpu/drm/qxl/qxl_display.c
index
9548bb5
..
058340a
100644
(file)
--- a/
drivers/gpu/drm/qxl/qxl_display.c
+++ b/
drivers/gpu/drm/qxl/qxl_display.c
@@
-572,6
+572,8
@@
static void qxl_cursor_atomic_update(struct drm_plane *plane,
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
QXL_RELEASE_CURSOR_CMD,
&release, NULL);
+ if (ret)
+ return;
cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);