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mount_9p: check returned type for Tread

This commit is contained in:
ozaki-r 2022-03-02 07:48:20 +00:00
parent ab2dc16550
commit 7b24996912
1 changed files with 7 additions and 2 deletions
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9
usr.sbin/puffs/mount_9p/node.c
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@ -1,4 +1,4 @@
/* $NetBSD: node.c,v 1.30 2022/03/02 04:11:41 ozaki-r Exp $ */
/* $NetBSD: node.c,v 1.31 2022/03/02 07:48:20 ozaki-r Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -27,7 +27,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: node.c,v 1.30 2022/03/02 04:11:41 ozaki-r Exp $");
__RCSID("$NetBSD: node.c,v 1.31 2022/03/02 07:48:20 ozaki-r Exp $");
#endif /* !lint */
#include <assert.h>
@ -187,6 +187,11 @@ puffs9p_node_readdir(struct puffs_usermount *pu, void *opc, struct dirent *dent,
p9pbuf_put_4(pb, *reslen); /* XXX */
GETRESPONSE(pb);
if (p9pbuf_get_type(pb) != P9PROTO_R_READ) {
rv = proto_handle_rerror(pu, pb);
goto out;
}
p9pbuf_get_4(pb, &count);
/*