CRED: Inaugurate COW credentials

[safe/jmp/linux-2.6] / fs / nfsd / nfsfh.c

diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index e67cfae..f0da7d9 100644 (file)
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -186,9 +186,14 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp)
                 * access control settings being in effect, we cannot
                 * fix that case easily.
                 */
-               current->cred->cap_effective =
-                       cap_raise_nfsd_set(current->cred->cap_effective,
-                                          current->cred->cap_permitted);
+               struct cred *new = prepare_creds();
+               if (!new)
+                       return nfserrno(-ENOMEM);
+               new->cap_effective =
+                       cap_raise_nfsd_set(new->cap_effective,
+                                          new->cap_permitted);
+               put_cred(override_creds(new));
+               put_cred(new);
        } else {
                error = nfsd_setuser_and_check_port(rqstp, exp);
                if (error)