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-rw-r--r--randr/rrcrtc.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c
index 216083432..7b724aefc 100644
--- a/randr/rrcrtc.c
+++ b/randr/rrcrtc.c
@@ -1038,30 +1038,31 @@ ProcRRGetPanning (ClientPtr client)
pScreen = crtc->pScreen;
pScrPriv = rrGetScrPriv(pScreen);
- if (!pScrPriv || !pScrPriv->rrGetPanning)
+ if (!pScrPriv)
return RRErrorBase + BadRRCrtc;
+ memset(&rep, 0, sizeof(rep));
rep.type = X_Reply;
rep.status = RRSetConfigSuccess;
rep.sequenceNumber = client->sequence;
rep.length = 1;
rep.timestamp = pScrPriv->lastSetTime.milliseconds;
- if (! pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border))
- return RRErrorBase + BadRRCrtc;
-
- rep.left = total.x1;
- rep.top = total.y1;
- rep.width = total.x2 - total.x1;
- rep.height = total.y2 - total.y1;
- rep.track_left = tracking.x1;
- rep.track_top = tracking.y1;
- rep.track_width = tracking.x2 - tracking.x1;
- rep.track_height = tracking.y2 - tracking.y1;
- rep.border_left = border[0];
- rep.border_top = border[1];
- rep.border_right = border[2];
- rep.border_bottom = border[3];
+ if (pScrPriv->rrGetPanning &&
+ pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border)) {
+ rep.left = total.x1;
+ rep.top = total.y1;
+ rep.width = total.x2 - total.x1;
+ rep.height = total.y2 - total.y1;
+ rep.track_left = tracking.x1;
+ rep.track_top = tracking.y1;
+ rep.track_width = tracking.x2 - tracking.x1;
+ rep.track_height = tracking.y2 - tracking.y1;
+ rep.border_left = border[0];
+ rep.border_top = border[1];
+ rep.border_right = border[2];
+ rep.border_bottom = border[3];
+ }
if (client->swapped) {
swaps(&rep.sequenceNumber, n);