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[NET]: Fix infinite loop in dev_mc_unsync().

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From: Joe Perches <joe@perches.com>

Based upon an initial patch and report by Luis R. Rodriguez.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches 2007-11-10 21:36:04 -08:00 committed by David S. Miller
parent 03f49f3457
commit e9671fcb3b
1 changed files with 7 additions and 7 deletions
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14
net/core/dev_mcast.c
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@ -168,13 +168,13 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from)
da = from->mc_list;
while (da != NULL) {
next = da->next;
if (!da->da_synced)
continue;
__dev_addr_delete(&to->mc_list, &to->mc_count,
da->da_addr, da->da_addrlen, 0);
da->da_synced = 0;
__dev_addr_delete(&from->mc_list, &from->mc_count,
da->da_addr, da->da_addrlen, 0);
if (da->da_synced) {
__dev_addr_delete(&to->mc_list, &to->mc_count,
da->da_addr, da->da_addrlen, 0);
da->da_synced = 0;
__dev_addr_delete(&from->mc_list, &from->mc_count,
da->da_addr, da->da_addrlen, 0);
}
da = next;
}
__dev_set_rx_mode(to);