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Date: Wed, 22 Aug 2007 12:39:09 +0200 From: Thomas Graf <tgraf@...g.ch> To: Andrew Morton <akpm@...ux-foundation.org> Cc: "David S. Miller" <davem@...emloft.net>, Stephen Hemminger <shemminger@...ux-foundation.org>, netdev@...r.kernel.org Subject: Re: net-2.6.24 failure with netconsole * Andrew Morton <akpm@...ux-foundation.org> 2007-08-21 22:54 > Which used to be a BUG. It later oopsed via a null-pointer deref in > net_rx_action(), which is a much preferable result. I fixed this already Index: net-2.6.24/include/linux/netpoll.h =================================================================== --- net-2.6.24.orig/include/linux/netpoll.h 2007-08-22 01:02:14.000000000 +0200 +++ net-2.6.24/include/linux/netpoll.h 2007-08-22 01:02:30.000000000 +0200 @@ -75,7 +75,7 @@ static inline void *netpoll_poll_lock(st struct net_device *dev = napi->dev; rcu_read_lock(); /* deal with race on ->npinfo */ - if (dev->npinfo) { + if (dev && dev->npinfo) { spin_lock(&napi->poll_lock); napi->poll_owner = smp_processor_id(); return napi; - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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