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* [PATCH] drm: qxl: add missing return check
@ 2017-03-14  7:54 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2017-03-14  7:54 UTC (permalink / raw)
  To: Dave Airlie, Gabriel Krisman Bertazi
  Cc: kernel-janitors, Gerd Hoffmann, dri-devel, virtualization

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>

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 9548bb58d3bc..058340a002c2 100644
--- 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);
 

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] drm: qxl: add missing return check
@ 2017-03-14  7:54 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2017-03-14  7:54 UTC (permalink / raw)
  To: Dave Airlie, Gabriel Krisman Bertazi
  Cc: kernel-janitors, Gerd Hoffmann, dri-devel, virtualization

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>

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 9548bb58d3bc..058340a002c2 100644
--- 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);
 
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm: qxl: add missing return check
  2017-03-14  7:54 ` Dan Carpenter
@ 2017-03-14 11:02   ` Gerd Hoffmann
  -1 siblings, 0 replies; 6+ messages in thread
From: Gerd Hoffmann @ 2017-03-14 11:02 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: kernel-janitors, dri-devel, virtualization, Dave Airlie,
	Gabriel Krisman Bertazi

On Di, 2017-03-14 at 10:54 +0300, Dan Carpenter wrote:
> My static checker complains that "release" is uninitialized if
> qxl_alloc_release_reserved() fails, so let's add a check for that.

applied to drm-misc-next.

thanks,
  Gerd


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm: qxl: add missing return check
  2017-03-14  7:54 ` Dan Carpenter
  (?)
  (?)
@ 2017-03-14 11:02 ` Gerd Hoffmann
  -1 siblings, 0 replies; 6+ messages in thread
From: Gerd Hoffmann @ 2017-03-14 11:02 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: David Airlie, kernel-janitors, dri-devel, virtualization,
	Dave Airlie, Gabriel Krisman Bertazi

On Di, 2017-03-14 at 10:54 +0300, Dan Carpenter wrote:
> My static checker complains that "release" is uninitialized if
> qxl_alloc_release_reserved() fails, so let's add a check for that.

applied to drm-misc-next.

thanks,
  Gerd

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm: qxl: add missing return check
@ 2017-03-14 11:02   ` Gerd Hoffmann
  0 siblings, 0 replies; 6+ messages in thread
From: Gerd Hoffmann @ 2017-03-14 11:02 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: kernel-janitors, dri-devel, virtualization, Dave Airlie,
	Gabriel Krisman Bertazi

On Di, 2017-03-14 at 10:54 +0300, Dan Carpenter wrote:
> My static checker complains that "release" is uninitialized if
> qxl_alloc_release_reserved() fails, so let's add a check for that.

applied to drm-misc-next.

thanks,
  Gerd

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH] drm: qxl: add missing return check
@ 2017-03-14  7:54 Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2017-03-14  7:54 UTC (permalink / raw)
  To: Dave Airlie, Gabriel Krisman Bertazi
  Cc: David Airlie, kernel-janitors, dri-devel, virtualization

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>

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 9548bb58d3bc..058340a002c2 100644
--- 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);

^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2017-03-14 11:02 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2017-03-14  7:54 [PATCH] drm: qxl: add missing return check Dan Carpenter
2017-03-14  7:54 ` Dan Carpenter
2017-03-14 11:02 ` Gerd Hoffmann
2017-03-14 11:02   ` Gerd Hoffmann
2017-03-14 11:02 ` Gerd Hoffmann
  -- strict thread matches above, loose matches on Subject: below --
2017-03-14  7:54 Dan Carpenter

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