quagga: Additional centos 6 -enable-werror fixes

This commit fixes these warnings:

1) bgpd/bgp_nexthop.c - dereferencing pointer 'X' does break strict-aliasing rules
3) ripd/ripd.c - 'ifaddr.prefixlen' may be used uninitialized in this function

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/bgpd/bgp_nexthop.c b/bgpd/bgp_nexthop.c
index 7580f0eb07eedb4a394a73632750d26ba7f83cb7..ed7512cad2e620a8162441f31635383a45d9c30c 100644 (file)
--- a/bgpd/bgp_nexthop.c
+++ b/bgpd/bgp_nexthop.c
@@ -211,9 +211,9 @@ bgp_connected_add (struct connected *ifc)
 
   addr = ifc->address;
 
+  p = *(CONNECTED_PREFIX(ifc));
   if (addr->family == AF_INET)
     {
-      PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc));
       apply_mask_ipv4 ((struct prefix_ipv4 *) &p);
 
       if (prefix_ipv4_any ((struct prefix_ipv4 *) &p))
@@ -251,7 +251,6 @@ bgp_connected_add (struct connected *ifc)
 #ifdef HAVE_IPV6
   else if (addr->family == AF_INET6)
     {
-      PREFIX_COPY_IPV6(&p, CONNECTED_PREFIX(ifc));
       apply_mask_ipv6 ((struct prefix_ipv6 *) &p);
 
       if (IN6_IS_ADDR_UNSPECIFIED (&p.u.prefix6))
@@ -286,9 +285,9 @@ bgp_connected_delete (struct connected *ifc)
 
   addr = ifc->address;
 
+  p = *(CONNECTED_PREFIX(ifc));
   if (addr->family == AF_INET)
     {
-      PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc));
       apply_mask_ipv4 ((struct prefix_ipv4 *) &p);
 
       if (prefix_ipv4_any ((struct prefix_ipv4 *) &p))
@@ -313,7 +312,6 @@ bgp_connected_delete (struct connected *ifc)
 #ifdef HAVE_IPV6
   else if (addr->family == AF_INET6)
     {
-      PREFIX_COPY_IPV6(&p, CONNECTED_PREFIX(ifc));
       apply_mask_ipv6 ((struct prefix_ipv6 *) &p);
 
       if (IN6_IS_ADDR_UNSPECIFIED (&p.u.prefix6))

diff --git a/ripd/ripd.c b/ripd/ripd.c
index fc5b65a0c5cff10bde6e6dba69dc6ed0f6fd7cb1..2524588ee0267e8defdb74268dca95a505737539 100644 (file)
--- a/ripd/ripd.c
+++ b/ripd/ripd.c
@@ -1108,7 +1108,8 @@ rip_response_process (struct rip_packet *packet, int size,
   struct prefix_ipv4 ifaddr;
   struct prefix_ipv4 ifaddrclass;
   int subnetted;
-      
+
+  memset(&ifaddr, 0, sizeof(ifaddr));
   /* We don't know yet. */
   subnetted = -1;