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mi: protect against possible NULL-pointer dereference.

This commit is contained in:
Peter Hutterer 2008-06-05 15:29:35 +09:30
parent 874dcdb3bd
commit d25ffcfbfc
1 changed files with 5 additions and 5 deletions
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4
mi/misprite.c
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@ -470,7 +470,7 @@ miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
if (DevHasCursor(pDev))
{
pCursorInfo = MISPRITE(pDev);
if (!pCursorInfo->isUp
if (pCursorInfo && !pCursorInfo->isUp
&& pCursorInfo->pScreen == pScreen
&& pCursorInfo->shouldBeUp)
{
@ -484,7 +484,7 @@ miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
if (DevHasCursor(pDev))
{
pCursorInfo = MISPRITE(pDev);
if (!pCursorInfo->isUp &&
if (pCursorInfo && !pCursorInfo->isUp &&
pCursorInfo->pScreen == pScreen &&
pCursorInfo->shouldBeUp)
{