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dix: Fix undefined memset in dixInitPrivates

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When we set these up initially, no subsystems have allocated any
privates yet, so the storage address will be null, and memset(NULL, ...)
is undefined.
This commit is contained in:
Adam Jackson
2019-10-15 11:59:39 -04:00
parent 535f14656a
commit a41d45eedc
1 changed files with 2 additions and 1 deletions
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3
dix/privates.c
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@@ -447,7 +447,8 @@ _dixInitPrivates(PrivatePtr *privates, void *addr, DevPrivateType type)
if (global_keys[type].offset == 0)
addr = 0;
*privates = addr;
memset(addr, '\0', global_keys[type].offset);
if (addr)
memset(addr, '\0', global_keys[type].offset);
}
/*