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iphlpapi: Return early on error. 

This prevents using err uninitialized.  Spotted by Fabian Maurer.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51655
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2021-08-25 07:37:06 +01:00 committed by Alexandre Julliard
parent 2fd0e56a9f
commit 9521640aa7
1 changed files with 3 additions and 8 deletions
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11
dlls/iphlpapi/iphlpapi_main.c
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@ -1206,15 +1206,11 @@ static DWORD dns_info_alloc( IP_ADAPTER_ADDRESSES *aa, ULONG family, ULONG flags
}
}
if (servers != (DNS_ADDR_ARRAY *)buf) heap_free( servers );
if (err) goto err;
if (err) return err;
}
aa->DnsSuffix = heap_alloc( MAX_DNS_SUFFIX_STRING_LENGTH * sizeof(WCHAR) );
if (!aa->DnsSuffix)
{
err = ERROR_NOT_ENOUGH_MEMORY;
goto err;
}
if (!aa->DnsSuffix) return ERROR_NOT_ENOUGH_MEMORY;
aa->DnsSuffix[0] = '\0';
if (!DnsQueryConfig( DnsConfigSearchList, 0, name, NULL, NULL, &size ) &&
@ -1231,8 +1227,7 @@ static DWORD dns_info_alloc( IP_ADAPTER_ADDRESSES *aa, ULONG family, ULONG flags
aa = aa->Next;
}
err:
return err;
return ERROR_SUCCESS;
}
static DWORD adapters_addresses_alloc( ULONG family, ULONG flags, IP_ADAPTER_ADDRESSES **info )