nfsd: getattr for FATTR4_WORD0_FILES_AVAIL needs the statfs buffer

commit 12337901d654415d9f764b5f5ba50052e9700f37 upstream.

Note nobody's ever noticed because the typical client probably never
requests FILES_AVAIL without also requesting something else on the list.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 4835b90d418087d1389749ee5d3debb9133da7ef..a7933dd9eca46cefe1940dc2f09de687aa5c61e1 100644 (file)
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2035,8 +2035,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
        err = vfs_getattr(exp->ex_path.mnt, dentry, &stat);
        if (err)
                goto out_nfserr;
-       if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
-                       FATTR4_WORD0_MAXNAME)) ||
+       if ((bmval0 & (FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE |
+                       FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_MAXNAME)) ||
            (bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
                       FATTR4_WORD1_SPACE_TOTAL))) {
                err = vfs_statfs(&path, &statfs);