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Date: Fri, 3 Jan 2020 09:28:16 +0000 From: Xu Wang <vulab@...as.ac.cn> To: davem@...emloft.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] l2tp: Remove redundant BUG_ON() check in l2tp_pernet Passing NULL to l2tp_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@...as.ac.cn> --- net/l2tp/l2tp_core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index f82ea12..c99223c 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -122,8 +122,6 @@ static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk) static inline struct l2tp_net *l2tp_pernet(const struct net *net) { - BUG_ON(!net); - return net_generic(net, l2tp_net_id); } -- 2.7.4
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