3 files changed, 21 insertions, 3 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index a08580553fda..dd183af24fe6 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -484,6 +484,7 @@ static int setup_callback_client(struct nfs4_client *clp,
                 .net            = &init_net,
                 .address        = (struct sockaddr *) &conn->cb_addr,
                 .addrsize       = conn->cb_addrlen,
+                .saddress       = (struct sockaddr *) &conn->cb_saddr,
                 .timeout        = &timeparms,
                 .program        = &cb_program,
                 .version        = 0,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 87d4c48b6069..b583e4e800ab 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1163,10 +1163,26 @@ find_unconfirmed_client_by_str(const char *dname, unsigned int hashval)
         return NULL;
 }
 
+static void rpc_svcaddr2sockaddr(struct sockaddr *sa, unsigned short family, union svc_addr_u *svcaddr)
+{
+        switch (family) {
+        case AF_INET:
+                ((struct sockaddr_in *)sa)->sin_family = AF_INET;
+                ((struct sockaddr_in *)sa)->sin_addr = svcaddr->addr;
+                return;
+        case AF_INET6:
+                ((struct sockaddr_in6 *)sa)->sin6_family = AF_INET6;
+                ((struct sockaddr_in6 *)sa)->sin6_addr = svcaddr->addr6;
+                return;
+        }
+}
+
 static void
-gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, u32 scopeid)
+gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_rqst *rqstp)
 {
         struct nfs4_cb_conn *conn = &clp->cl_cb_conn;
+        struct sockaddr *sa = svc_addr(rqstp);
+        u32 scopeid = rpc_get_scope_id(sa);
         unsigned short expected_family;
 
         /* Currently, we only support tcp and tcp6 for the callback channel */
@@ -1192,6 +1208,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, u32 scopeid)
 
         conn->cb_prog = se->se_callback_prog;
         conn->cb_ident = se->se_callback_ident;
+        rpc_svcaddr2sockaddr((struct sockaddr *)&conn->cb_saddr, expected_family, &rqstp->rq_daddr);
         return;
 out_err:
         conn->cb_addr.ss_family = AF_UNSPEC;
@@ -1768,7 +1785,6 @@ __be32
 nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
                   struct nfsd4_setclientid *setclid)
 {
-        struct sockaddr         *sa = svc_addr(rqstp);
         struct xdr_netobj       clname = { 
                 .len = setclid->se_namelen,
                 .data = setclid->se_name,
@@ -1871,7 +1887,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
          * for consistent minorversion use throughout:
          */
         new->cl_minorversion = 0;
-        gen_callback(new, setclid, rpc_get_scope_id(sa));
+        gen_callback(new, setclid, rqstp);
         add_to_unconfirmed(new, strhashval);
         setclid->se_clientid.cl_boot = new->cl_clientid.cl_boot;
         setclid->se_clientid.cl_id = new->cl_clientid.cl_id;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 84b230217b1b..cf6dc83fd545 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -96,6 +96,7 @@ struct nfs4_delegation {
 struct nfs4_cb_conn {
         /* SETCLIENTID info */
         struct sockaddr_storage cb_addr;
+        struct sockaddr_storage cb_saddr;
         size_t                  cb_addrlen;
         u32                     cb_prog; /* used only in 4.0 case;
                                             per-session otherwise */