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net: Remove redundant BUG_ON() check in phonet_pernet 

Passing NULL to phonet_pernet causes a crash via BUG_ON.
Dereferencing net in net_generic() also has the same effect.
This patch removes the redundant BUG_ON check on the same parameter.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xu Wang 2020-01-03 09:20:40 +00:00 committed by David S. Miller
parent b39c78b2aa
commit 1f62343110
1 changed files with 0 additions and 2 deletions
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net/phonet/pn_dev.c
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@ -35,8 +35,6 @@ static unsigned int phonet_net_id __read_mostly;
static struct phonet_net *phonet_pernet(struct net *net)
{
BUG_ON(!net);
return net_generic(net, phonet_net_id);
}