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Diffstat (limited to 'xorg-server/mi/misprite.c')
-rw-r--r--xorg-server/mi/misprite.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/xorg-server/mi/misprite.c b/xorg-server/mi/misprite.c
index c9fcabcab..db35d667e 100644
--- a/xorg-server/mi/misprite.c
+++ b/xorg-server/mi/misprite.c
@@ -474,7 +474,7 @@ miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y, int width,
for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
if (DevHasCursor(pDev)) {
pCursorInfo = MISPRITE(pDev);
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
+ if (pCursorInfo && pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y,
x, y, width, height)) {
SPRITE_DEBUG(("SourceValidate remove\n"));
@@ -507,7 +507,7 @@ miSpriteCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
/*
* Damage will take care of destination check
*/
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
+ if (pCursorInfo && pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT) {
SPRITE_DEBUG(("CopyWindow remove\n"));
miSpriteRemoveCursor(pDev, pScreen);
@@ -583,9 +583,12 @@ miSpriteInstallColormap(ColormapPtr pMap)
for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
if (DevHasCursor(pDev)) {
pCursorInfo = MISPRITE(pDev);
- pCursorInfo->checkPixels = TRUE;
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
- miSpriteRemoveCursor(pDev, pScreen);
+ if (pCursorInfo)
+ {
+ pCursorInfo->checkPixels = TRUE;
+ if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
+ miSpriteRemoveCursor(pDev, pScreen);
+ }
}
}