diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 5cc2eec..b2c7147 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -155,7 +155,7 @@
 				argp->count);
 		argp->count = NFSSVC_MAXBLKSIZE_V2;
 	}
-	svc_reserve(rqstp, (19<<2) + argp->count + 4);
+	svc_reserve_auth(rqstp, (19<<2) + argp->count + 4);
 
 	resp->count = argp->count;
 	nfserr = nfsd_read(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,