[PATCH] ws2_32: Consider socket with zero ifindex unbound.
Paul Gofman
pgofman at codeweavers.com
Fri Jul 3 09:30:09 CDT 2020
Real interface index can't be zero.
getsockopt(..., IP_UNICAST_IF, ...) may return success and zero
interface index if IP_UNICAST_IF was never set.
Avoids error output which doesn't inidcate a real error condition
for such case.
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
dlls/ws2_32/socket.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 402ee86d962..69fbb37af22 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3788,7 +3788,7 @@ static void interface_bind_check(int fd, struct sockaddr_in *addr)
ret = getsockopt(fd, IPPROTO_IP, IP_UNICAST_IF, &ifindex, &len);
if (!ret) ifindex = ntohl(ifindex);
#endif
- if (!ret)
+ if (!ret && ifindex)
{
EnterCriticalSection(&cs_if_addr_cache);
if (ifindex < if_addr_cache_size)
--
2.26.2
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