andreacavalli/xserver-multidpi
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Xi: correct return buffer size for XIGetSelectedEvents.

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The maximum number of bytes is calculated by the mask len, and the mask len
is always in 4-byte units. XI2MASKSIZE however is in bytes.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2009-06-11 12:31:40 +10:00
parent fcf0c0b8f3
commit 5043f42f36
1 changed files with 1 additions and 1 deletions
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Xi/xiselectev.c
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@ -202,7 +202,7 @@ ProcXIGetSelectedEvents(ClientPtr client)
return Success;
}
buffer = xcalloc(MAXDEVICES, sizeof(xXIEventMask) + XI2MASKSIZE);
buffer = xcalloc(MAXDEVICES, sizeof(xXIEventMask) + ((XI2MASKSIZE + 3)/4) * 4);
if (!buffer)
return BadAlloc;