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CAN: use dev_get_by_index_rcu

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Use new function to avoid doing read_lock().

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2009-11-10 07:54:56 +00:00 committed by David S. Miller
parent 61fbab77a8
commit ff879eb611
1 changed files with 3 additions and 3 deletions
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6
net/can/bcm.c
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@ -139,13 +139,13 @@ static char *bcm_proc_getifname(char *result, int ifindex)
if (!ifindex)
return "any";
read_lock(&dev_base_lock);
dev = __dev_get_by_index(&init_net, ifindex);
rcu_read_lock();
dev = dev_get_by_index_rcu(&init_net, ifindex);
if (dev)
strcpy(result, dev->name);
else
strcpy(result, "???");
read_unlock(&dev_base_lock);
rcu_read_unlock();
return result;
}