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gtp: remove useless rcu_read_lock()

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The rtnl lock is taken just the line above, no need to take the rcu also.

Fixes: 1788b8569f ("gtp: fix use-after-free in gtp_encap_destroy()")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2020-08-28 15:30:55 +02:00 committed by David S. Miller
parent e859a60add
commit e2d1baca2b
1 changed files with 0 additions and 2 deletions
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2
drivers/net/gtp.c
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@ -1071,7 +1071,6 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info)
}
rtnl_lock();
rcu_read_lock();
gtp = gtp_find_dev(sock_net(skb->sk), info->attrs);
if (!gtp) {
@ -1100,7 +1099,6 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info)
}
out_unlock:
rcu_read_unlock();
rtnl_unlock();
return err;
}