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dri: ProcXF86DRIGetDrawableInfo() allocate temporary buffer on stack 

No need for going through heap, stack is also fine.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-07-18 18:58:22 +02:00
parent c704eb884a
commit 32f6a22dd1
1 changed files with 3 additions and 6 deletions
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9
hw/xfree86/dri/xf86dri.c
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@ -361,7 +361,7 @@ ProcXF86DRIGetDrawableInfo(register ClientPtr client)
};
DrawablePtr pDrawable;
int X, Y, W, H;
drm_clip_rect_t *pClipRects, *pClippedRects = NULL;
drm_clip_rect_t *pClipRects;
drm_clip_rect_t *pBackClipRects;
int backX, backY, rc;
@ -405,12 +405,10 @@ ProcXF86DRIGetDrawableInfo(register ClientPtr client)
if (rep.numBackClipRects)
rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
drm_clip_rect_t pClippedRects[rep.numClipRects];
if (rep.numClipRects) {
/* Clip cliprects to screen dimensions (redirected windows) */
pClippedRects = xallocarray(rep.numClipRects, sizeof(drm_clip_rect_t));
if (!pClippedRects)
return BadAlloc;
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
int i, j;
@ -441,7 +439,6 @@ ProcXF86DRIGetDrawableInfo(register ClientPtr client)
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numClipRects,
pClippedRects);
free(pClippedRects);
}
if (rep.numBackClipRects) {