linux-kernel - Re: [PATCH] net: sk == 0xffffffff fix

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Message-ID: <20140124141530.GC20804@gmail.com>
Date:	Fri, 24 Jan 2014 08:15:30 -0600
From:	Andrew Ruder <andy@...uder.net>
To:	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] net: sk == 0xffffffff fix - not for commit

On Fri, Jan 24, 2014 at 07:38:31AM -0600, Andrew Ruder wrote:
> http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg574770.html
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854

Just a little further confirmation.  This appears in
__inet_lookup_established as the last four instructions before
returning.

   <+440>:       bl      <__rcu_read_unlock>
   <+444>:       sub     sp, r11, #40    ; 0x28
   <+448>:       ldr     r0, [r11, #-48] ; 0x30
   <+452>:       ldm     sp, {r4, r5, r6, r7, r8, r9, r10, r11, sp, pc}
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