nfsd4: 4.1 SECINFO should consume filehandle

See the referenced spec language; an attempt by a 4.1 client to use the
current filehandle after a secinfo call should result in a NOFILEHANDLE
error.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 0cdfd022bb7b..bad4bf8e4bbc 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -769,6 +769,9 @@ nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
         } else
                 secinfo->si_exp = exp;
         dput(dentry);
+        if (cstate->minorversion)
+                /* See rfc 5661 section 2.6.3.1.1.8 */
+                fh_put(&cstate->current_fh);
         return err;
 }