nfsd: fix b0rken error value for setattr on read-only mount
..._want_write() returns -EROFS on failure, _not_ an NFS error value.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 2ed14df..694d526 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -841,6 +841,7 @@
struct nfsd4_setattr *setattr)
{
__be32 status = nfs_ok;
+ int err;
if (setattr->sa_iattr.ia_valid & ATTR_SIZE) {
nfs4_lock_state();
@@ -852,9 +853,9 @@
return status;
}
}
- status = fh_want_write(&cstate->current_fh);
- if (status)
- return status;
+ err = fh_want_write(&cstate->current_fh);
+ if (err)
+ return nfserrno(err);
status = nfs_ok;
status = check_attr_support(rqstp, cstate, setattr->sa_bmval,