Add missing recording of back channel attrs in nfsd4_session

commit 5b6feee9608dce7afd2646f457c93e612526d1d8 forgot
recording the back channel attrs in nfsd4_session.

nfsd just check the back channel attars by check_backchannel_attrs,
but do not  record it in nfsd4_session in the latest kernel.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 105d6fa7c514..1aed9be56414 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -999,6 +999,8 @@ static void init_session(struct svc_rqst *rqstp, struct nfsd4_session *new, stru
         spin_unlock(&nn->client_lock);
         memcpy(&new->se_fchannel, &cses->fore_channel,
                         sizeof(struct nfsd4_channel_attrs));
+        memcpy(&new->se_bchannel, &cses->back_channel,
+                        sizeof(struct nfsd4_channel_attrs));
         if (cses->flags & SESSION4_BACK_CHAN) {
                 struct sockaddr *sa = svc_addr(rqstp);
                 /*