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Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 6e871afbb2c..3b114e3fa2f 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -28,7 +28,6 @@
* - MLDv2 support
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/types.h>
@@ -172,7 +171,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
#define IPV6_MLD_MAX_MSF 64
-int sysctl_mld_max_msf = IPV6_MLD_MAX_MSF;
+int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF;
/*
* socket join on multicast group
@@ -269,13 +268,14 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
if ((dev = dev_get_by_index(mc_lst->ifindex)) != NULL) {
struct inet6_dev *idev = in6_dev_get(dev);
+ (void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
- (void) ip6_mc_leave_src(sk,mc_lst,idev);
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
- }
+ } else
+ (void) ip6_mc_leave_src(sk, mc_lst, NULL);
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return 0;
}
@@ -335,13 +335,14 @@ void ipv6_sock_mc_close(struct sock *sk)
if (dev) {
struct inet6_dev *idev = in6_dev_get(dev);
+ (void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
- (void) ip6_mc_leave_src(sk, mc_lst, idev);
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
- }
+ } else
+ (void) ip6_mc_leave_src(sk, mc_lst, NULL);
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));