linux-kernel - [PATCH 4.19 05/32] ipv4/igmp: fix build error if !CONFIG_IP

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Message-Id: <20190603090309.928015545@linuxfoundation.org>
Date:   Mon,  3 Jun 2019 11:07:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        kbuild test robot <lkp@...el.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.19 05/32] ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST

From: Eric Dumazet <edumazet@...gle.com>

[ Upstream commit 903869bd10e6719b9df6718e785be7ec725df59f ]

ip_sf_list_clear_all() needs to be defined even if !CONFIG_IP_MULTICAST

Fixes: 3580d04aa674 ("ipv4/igmp: fix another memory leak in igmpv3_del_delrec()")
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ipv4/igmp.c |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -190,6 +190,17 @@ static void ip_ma_put(struct ip_mc_list
 	     pmc != NULL;					\
 	     pmc = rtnl_dereference(pmc->next_rcu))
 
+static void ip_sf_list_clear_all(struct ip_sf_list *psf)
+{
+	struct ip_sf_list *next;
+
+	while (psf) {
+		next = psf->sf_next;
+		kfree(psf);
+		psf = next;
+	}
+}
+
 #ifdef CONFIG_IP_MULTICAST
 
 /*
@@ -635,17 +646,6 @@ static void igmpv3_clear_zeros(struct ip
 	}
 }
 
-static void ip_sf_list_clear_all(struct ip_sf_list *psf)
-{
-	struct ip_sf_list *next;
-
-	while (psf) {
-		next = psf->sf_next;
-		kfree(psf);
-		psf = next;
-	}
-}
-
 static void kfree_pmc(struct ip_mc_list *pmc)
 {
 	ip_sf_list_clear_all(pmc->sources);