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ws2_32: Fix memory leak on error path in get_local_ips (cppcheck). 

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alex Henrie 2022-02-02 00:23:18 -07:00 committed by Alexandre Julliard
parent 950792ae2b
commit 978df2e031
1 changed files with 4 additions and 3 deletions
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7
dlls/ws2_32/protocol.c
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@ -806,7 +806,7 @@ static struct hostent *get_local_ips( char *hostname )
IP_ADAPTER_INFO *adapters = NULL, *k; IP_ADAPTER_INFO *adapters = NULL, *k;
struct hostent *hostlist = NULL; struct hostent *hostlist = NULL;
MIB_IPFORWARDTABLE *routes = NULL; MIB_IPFORWARDTABLE *routes = NULL;
struct route *route_addrs = NULL; struct route *route_addrs = NULL, *new_route_addrs;
DWORD adap_size, route_size, n; DWORD adap_size, route_size, n;
/* Obtain the size of the adapter list and routing table, also allocate memory */ /* Obtain the size of the adapter list and routing table, also allocate memory */
@ -852,9 +852,10 @@ static struct hostent *get_local_ips( char *hostname )
} }
if (exists) if (exists)
continue; continue;
route_addrs = realloc( route_addrs, (numroutes + 1) * sizeof(struct route) ); new_route_addrs = realloc( route_addrs, (numroutes + 1) * sizeof(struct route) );
if (!route_addrs) if (!new_route_addrs)
goto cleanup; goto cleanup;
route_addrs = new_route_addrs;
route_addrs[numroutes].interface = ifindex; route_addrs[numroutes].interface = ifindex;
route_addrs[numroutes].metric = ifmetric; route_addrs[numroutes].metric = ifmetric;
route_addrs[numroutes].default_route = ifdefault; route_addrs[numroutes].default_route = ifdefault;