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| author | Peter Hutterer <peter@cs.unisa.edu.au> | 2008-05-12 20:05:21 +0930 |
|---|---|---|
| committer | Peter Hutterer <peter@cs.unisa.edu.au> | 2008-05-13 11:17:02 +0930 |
| commit | 248a1df63430717550adb0e79068d8f9fcfacb0b (patch) | |
| tree | 40dbb4d8a3248c00430280f41389923ed9babe55 | |
| parent | fc35d1e3be201e3821413bb2eeb8d43e1e56ba17 (diff) | |
render: don't dereference cursor if cursor is NULL.
| -rw-r--r-- | render/animcur.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/render/animcur.c b/render/animcur.c index a87718d12..362607f7a 100644 --- a/render/animcur.c +++ b/render/animcur.c @@ -93,7 +93,7 @@ static CursorBits animCursorBits = { static int AnimCurGeneration; static DevPrivateKey AnimCurScreenPrivateKey = &AnimCurScreenPrivateKey; -#define IsAnimCur(c) ((c)->bits == &animCursorBits) +#define IsAnimCur(c) ((c) && ((c)->bits == &animCursorBits)) #define GetAnimCur(c) ((AnimCurPtr) ((c) + 1)) #define GetAnimCurScreen(s) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey)) #define GetAnimCurScreenIfSet(s) GetAnimCurScreen(s) |