From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/net/sunrpc/addr.c | 37 +++++++++++++++++--------------------
1 files changed, 17 insertions(+), 20 deletions(-)
diff --git a/kernel/net/sunrpc/addr.c b/kernel/net/sunrpc/addr.c
index 7404f02..d435bff 100644
--- a/kernel/net/sunrpc/addr.c
+++ b/kernel/net/sunrpc/addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2009, Oracle. All rights reserved.
*
@@ -161,8 +162,10 @@
const size_t buflen, const char *delim,
struct sockaddr_in6 *sin6)
{
- char *p;
+ char p[IPV6_SCOPE_ID_LEN + 1];
size_t len;
+ u32 scope_id = 0;
+ struct net_device *dev;
if ((buf + buflen) == delim)
return 1;
@@ -174,29 +177,23 @@
return 0;
len = (buf + buflen) - delim - 1;
- p = kstrndup(delim + 1, len, GFP_KERNEL);
- if (p) {
- u32 scope_id = 0;
- struct net_device *dev;
+ if (len > IPV6_SCOPE_ID_LEN)
+ return 0;
- dev = dev_get_by_name(net, p);
- if (dev != NULL) {
- scope_id = dev->ifindex;
- dev_put(dev);
- } else {
- if (kstrtou32(p, 10, &scope_id) != 0) {
- kfree(p);
- return 0;
- }
- }
+ memcpy(p, delim + 1, len);
+ p[len] = 0;
- kfree(p);
-
- sin6->sin6_scope_id = scope_id;
- return 1;
+ dev = dev_get_by_name(net, p);
+ if (dev != NULL) {
+ scope_id = dev->ifindex;
+ dev_put(dev);
+ } else {
+ if (kstrtou32(p, 10, &scope_id) != 0)
+ return 0;
}
- return 0;
+ sin6->sin6_scope_id = scope_id;
+ return 1;
}
static size_t rpc_pton6(struct net *net, const char *buf, const size_t buflen,
--
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