Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

1 files changed, 7 insertions, 2 deletions

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 85bf0d3e294b..cb759484979d 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -207,6 +207,7 @@ int sysctl_icmp_ignore_bogus_error_responses;
 
 int sysctl_icmp_ratelimit = 1 * HZ;
 int sysctl_icmp_ratemask = 0x1818;
+int sysctl_icmp_errors_use_inbound_ifaddr;
 
 /*
  *      ICMP control array. This specifies what to do with each ICMP.
@@ -511,8 +512,12 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info)
          */
 
         saddr = iph->daddr;
-        if (!(rt->rt_flags & RTCF_LOCAL))
-                saddr = 0;
+        if (!(rt->rt_flags & RTCF_LOCAL)) {
+                if (sysctl_icmp_errors_use_inbound_ifaddr)
+                        saddr = inet_select_addr(skb_in->dev, 0, RT_SCOPE_LINK);
+                else
+                        saddr = 0;
+        }
 
         tos = icmp_pointers[type].error ? ((iph->tos & IPTOS_TOS_MASK) |
                                            IPTOS_PREC_INTERNETCONTROL) :