AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 03:50:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ipv6: remove a rcu_read_lock in ndisc_constructor

Browse Source 
in6_dev_get(dev) takes a reference on struct inet6_dev, we dont need
rcu locking in ndisc_constructor()

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roy.Li 2011-10-03 19:43:35 +00:00 committed by David S. Miller
parent f861c2b80c
commit 01b7806cdc
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ipv6/ndisc.c
View File

@ -370,17 +370,14 @@ static int ndisc_constructor(struct neighbour *neigh)
struct neigh_parms *parms;
int is_multicast = ipv6_addr_is_multicast(addr);
rcu_read_lock();
in6_dev = in6_dev_get(dev);
if (in6_dev == NULL) {
rcu_read_unlock();
return -EINVAL;
}
parms = in6_dev->nd_parms;
__neigh_parms_put(neigh->parms);
neigh->parms = neigh_parms_clone(parms);
rcu_read_unlock();
neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;
if (!dev->header_ops) {