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| author | Xu Wang <vulab@iscas.ac.cn> | 2020-01-03 09:20:40 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-03 12:25:50 -0800 |
| commit | 1f623431100138ffaaae36e122f2727c13de640a (patch) | |
| tree | f6ed76a419cfe126320bebaaccf7bd6e6eafb908 | |
| parent | b39c78b2aa09cae05f3a48c11f67b3add0d604de (diff) | |
| download | lwn-1f623431100138ffaaae36e122f2727c13de640a.tar.gz lwn-1f623431100138ffaaae36e122f2727c13de640a.zip | |
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>
| -rw-r--r-- | net/phonet/pn_dev.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index 49bd76a87461..ac0fae06cc15 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -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); } |