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Date: Fri, 17 Apr 2015 19:06:30 +0200 From: Denys Vlasenko <dvlasenk@...hat.com> To: "David S. Miller" <davem@...emloft.net> Cc: Denys Vlasenko <dvlasenk@...hat.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Jan Engelhardt <jengelh@...ozas.de>, Jiri Pirko <jpirko@...hat.com>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH] netns: remove BUG_ONs from net_generic() This inline has ~500 callsites. On 04/14/2015 08:37 PM, David Miller wrote: > That BUG_ON() was added 7 years ago, and I don't remember it ever > triggering or helping us diagnose something, so just remove it and > keep the function inlined. On x86 allyesconfig build: text data bss dec hex filename 82447071 22255384 20627456 125329911 77861f7 vmlinux4 82441375 22255384 20627456 125324215 7784bb7 vmlinux5prime Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com> CC: Eric W. Biederman <ebiederm@...ssion.com> CC: David S. Miller <davem@...emloft.net> CC: Jan Engelhardt <jengelh@...ozas.de> CC: Jiri Pirko <jpirko@...hat.com> CC: linux-kernel@...r.kernel.org CC: netdev@...r.kernel.org --- include/net/netns/generic.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h index 0931618..70e1585 100644 --- a/include/net/netns/generic.h +++ b/include/net/netns/generic.h @@ -38,11 +38,9 @@ static inline void *net_generic(const struct net *net, int id) rcu_read_lock(); ng = rcu_dereference(net->gen); - BUG_ON(id == 0 || id > ng->len); ptr = ng->ptr[id - 1]; rcu_read_unlock(); - BUG_ON(!ptr); return ptr; } #endif -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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