netdev - [PATCH net-next 2/2] net: fix building errors on powerpc when CONFIG

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Message-Id: <20210204171942.469883-2-brianvv@google.com>
Date:   Thu,  4 Feb 2021 17:19:42 +0000
From:   Brian Vazquez <brianvv@...gle.com>
To:     Brian Vazquez <brianvv.kernel@...il.com>,
        Brian Vazquez <brianvv@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH net-next 2/2] net: fix building errors on powerpc when
 CONFIG_RETPOLINE is not set

This commit fixes the errores reported when building for powerpc:

 ERROR: modpost: "ip6_dst_check" [vmlinux] is a static EXPORT_SYMBOL
 ERROR: modpost: "ipv4_dst_check" [vmlinux] is a static EXPORT_SYMBOL
 ERROR: modpost: "ipv4_mtu" [vmlinux] is a static EXPORT_SYMBOL
 ERROR: modpost: "ip6_mtu" [vmlinux] is a static EXPORT_SYMBOL

Fixes: f67fbeaebdc0 ("net: use indirect call helpers for dst_mtu")
Fixes: bbd807dfbf20 ("net: indirect call helpers for ipv4/ipv6 dst_check functions")
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Brian Vazquez <brianvv@...gle.com>
---
 net/ipv4/route.c | 4 ++--
 net/ipv6/route.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9e6537709794..be31e2446470 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1206,7 +1206,7 @@ INDIRECT_CALLABLE_SCOPE struct dst_entry *ipv4_dst_check(struct dst_entry *dst,
 		return NULL;
 	return dst;
 }
-EXPORT_SYMBOL(ipv4_dst_check);
+EXPORT_INDIRECT_CALLABLE(ipv4_dst_check);
 
 static void ipv4_send_dest_unreach(struct sk_buff *skb)
 {
@@ -1337,7 +1337,7 @@ INDIRECT_CALLABLE_SCOPE unsigned int ipv4_mtu(const struct dst_entry *dst)
 
 	return mtu - lwtunnel_headroom(dst->lwtstate, mtu);
 }
-EXPORT_SYMBOL(ipv4_mtu);
+EXPORT_INDIRECT_CALLABLE(ipv4_mtu);
 
 static void ip_del_fnhe(struct fib_nh_common *nhc, __be32 daddr)
 {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8d9e053dc071..0d1784b0d65d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2644,7 +2644,7 @@ INDIRECT_CALLABLE_SCOPE struct dst_entry *ip6_dst_check(struct dst_entry *dst,
 
 	return dst_ret;
 }
-EXPORT_SYMBOL(ip6_dst_check);
+EXPORT_INDIRECT_CALLABLE(ip6_dst_check);
 
 static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
 {
@@ -3115,7 +3115,7 @@ INDIRECT_CALLABLE_SCOPE unsigned int ip6_mtu(const struct dst_entry *dst)
 
 	return mtu - lwtunnel_headroom(dst->lwtstate, mtu);
 }
-EXPORT_SYMBOL(ip6_mtu);
+EXPORT_INDIRECT_CALLABLE(ip6_mtu);
 
 /* MTU selection:
  * 1. mtu on route is locked - use it
-- 
2.30.0.365.g02bc693789-goog