SUNRPC: Don't display zero scope IDs
A zero scope ID means that it wasn't set, so we don't need to append
it to presentation format addresses.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 0756c5d..f845d9d 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -73,6 +73,8 @@
if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
return len;
+ if (sin6->sin6_scope_id == 0)
+ return len;
rc = snprintf(scopebuf, sizeof(scopebuf), "%c%u",
IPV6_SCOPE_DELIMITER, sin6->sin6_scope_id);