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dix: NULL-protect FreeGC() 

Make it possible to call FreeGC() w/o prior NULL checks.
In case of NULL, BadMatch is returned.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-03-13 13:13:47 +01:00
parent 9266733da3
commit 1eaf1b0191
1 changed files with 2 additions and 0 deletions
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2
dix/gc.c
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@ -768,6 +768,8 @@ int
FreeGC(void *value, XID gid)
{
GCPtr pGC = (GCPtr) value;
if (!pGC)
return BadMatch;
CloseFont(pGC->font, (Font) 0);
if (pGC->funcs)