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RDMA/nes: Add missing rcu_read_unlock() in nes_addr_resolve_neigh() 

Make sure all exit paths from this function unlock everything.

Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Roland Dreier 2012-01-27 09:54:30 -08:00
parent 81f99dcc93
commit 7525c85be0
1 changed files with 3 additions and 2 deletions
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5
drivers/infiniband/hw/nes/nes_cm.c
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@ -1363,8 +1363,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
if (!memcmp(nesadapter->arp_table[arpindex].mac_addr,
neigh->ha, ETH_ALEN)) {
/* Mac address same as in nes_arp_table */
ip_rt_put(rt);
return rc;
goto out;
}
nes_manage_arp_cache(nesvnic->netdev,
@ -1380,6 +1379,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
neigh_event_send(neigh, NULL);
}
}
out:
rcu_read_unlock();
ip_rt_put(rt);
return rc;