aboutsummaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorEric Dumazet <eric.dumazet@gmail.com>2009-11-01 19:23:04 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-01 23:55:09 -0800
commitc148fc2e30c988f7e3ac91738b2c03f1cef44849 (patch)
tree3e9e213cd4dfb554f61cea5315359b1bec330590 /net
parent9fdce099bb72df534daa6193318feaec177998fc (diff)
downloadlinux-2.6.34-ux500-c148fc2e30c988f7e3ac91738b2c03f1cef44849.tar.gz
ipv4: inetdev_by_index() switch to RCU
Use dev_get_by_index_rcu() instead of __dev_get_by_index() and dev_base_lock rwlock Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/devinet.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5df2f6a0b0f..ccccaae50b2 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -405,11 +405,12 @@ struct in_device *inetdev_by_index(struct net *net, int ifindex)
{
struct net_device *dev;
struct in_device *in_dev = NULL;
- read_lock(&dev_base_lock);
- dev = __dev_get_by_index(net, ifindex);
+
+ rcu_read_lock();
+ dev = dev_get_by_index_rcu(net, ifindex);
if (dev)
in_dev = in_dev_get(dev);
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
return in_dev;
}