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inet: RCU changes in inetdev_by_index()

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Convert inetdev_by_index() to not increment in_dev refcount.

Callers hold RCU or RTNL, and should not decrement in_dev refcount.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-10-19 00:39:26 +00:00
committed by David S. Miller
parent 9e917dca74
commit 8723e1b4ad
4 changed files with 16 additions and 22 deletions
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2
net/ipv4/igmp.c
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@@ -1429,8 +1429,6 @@ static struct in_device *ip_mc_find_dev(struct net *net, struct ip_mreqn *imr)
if (imr->imr_ifindex) {
idev = inetdev_by_index(net, imr->imr_ifindex);
if (idev)
__in_dev_put(idev);
return idev;
}
if (imr->imr_address.s_addr) {