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Date: Tue, 24 Dec 2019 09:37:04 +0000 From: Xu Wang <vulab@...as.ac.cn> To: paulus@...ba.org Cc: davem@...emloft.net, linux-ppp@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] ppp: Remove redundant BUG_ON() check in ppp_pernet Passing NULL to ppp_pernet causes a crash via BUG_ON. Dereferencing net in net_generici() 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> --- drivers/net/ppp/ppp_generic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 3bf8a8b..22cc2cb 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -296,8 +296,6 @@ static struct class *ppp_class; /* per net-namespace data */ static inline struct ppp_net *ppp_pernet(struct net *net) { - BUG_ON(!net); - return net_generic(net, ppp_net_id); } -- 2.7.4
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