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dri: report failed memory allocation 

ProcXF86DRIGetDrawableInfo() should report failed memory allocation instead
of pretending everything's okay.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1797>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-07-18 18:33:40 +02:00 committed by Marge Bot
parent 2539ddae50
commit 94d942267a
1 changed files with 14 additions and 17 deletions
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31
hw/xfree86/dri/xf86dri.c
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@ -425,28 +425,25 @@ ProcXF86DRIGetDrawableInfo(register ClientPtr client)
/* Clip cliprects to screen dimensions (redirected windows) */
pClippedRects = xallocarray(rep.numClipRects, sizeof(drm_clip_rect_t));
if (pClippedRects) {
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
int i, j;
if (!pClippedRects)
return BadAlloc;
for (i = 0, j = 0; i < rep.numClipRects; i++) {
pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
int i, j;
if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
pClippedRects[j].y1 < pClippedRects[j].y2) {
j++;
}
for (i = 0, j = 0; i < rep.numClipRects; i++) {
pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
pClippedRects[j].y1 < pClippedRects[j].y2) {
j++;
}
rep.numClipRects = j;
}
else {
rep.numClipRects = 0;
}
rep.numClipRects = j;
rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
}