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authorHerbert Xu <herbert@gondor.apana.org.au>2005-10-03 14:35:55 -0700
committerDavid S. Miller <davem@davemloft.net>2005-10-03 14:35:55 -0700
commite5ed639913eea3e4783a550291775ab78dd84966 (patch)
treee6e915aa686d2a7125181fc83a847e1955a8ba46 /net/econet
parenta5e7c210fefd2454c757a3542e41063407ca7108 (diff)
[IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl
The following patch renames __in_dev_get() to __in_dev_get_rtnl() and introduces __in_dev_get_rcu() to cover the second case. 1) RCU with refcnt should use in_dev_get(). 2) RCU without refcnt should use __in_dev_get_rcu(). 3) All others must hold RTNL and use __in_dev_get_rtnl(). There is one exception in net/ipv4/route.c which is in fact a pre-existing race condition. I've marked it as such so that we remember to fix it. This patch is based on suggestions and prior work by Suzanne Wood and Paul McKenney. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/econet')
-rw-r--r--net/econet/af_econet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 4a62093eb343..34fdac51df96 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -406,7 +406,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
unsigned long network = 0;
rcu_read_lock();
- idev = __in_dev_get(dev);
+ idev = __in_dev_get_rcu(dev);
if (idev) {
if (idev->ifa_list)
network = ntohl(idev->ifa_list->ifa_address) &

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