From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: Re: [PATCH] fix suspicious rcu_dereference_check in net/sched/sch_fq_codel.c Date: Tue, 09 Dec 2014 15:13:16 -0800 Message-ID: <5487820C.4030801@intel.com> References: <58905.1418159750@turing-police.cc.vt.edu> <1418161372.27198.11.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , "David S. Miller" , linux-kernel@vger.kernel.org, netdev To: Eric Dumazet , Valdis Kletnieks Return-path: In-Reply-To: <1418161372.27198.11.camel@edumazet-glaptop2.roam.corp.google.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 12/09/2014 01:42 PM, Eric Dumazet wrote: > On Tue, 2014-12-09 at 16:15 -0500, Valdis Kletnieks wrote: >> commit 46e5da40ae (net: qdisc: use rcu prefix and silence >> sparse warnings) triggers a spurious warning: >> >> net/sched/sch_fq_codel.c:97 suspicious rcu_dereference_check() usage! >> >> The code should be using the _bh variant of rcu_dereference. >> >> Signed-off-by: Valdis Kletnieks >> --- >> net/sched/sch_fq_codel.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) > > Acked-by: Eric Dumazet > > Thanks ! > > Great thanks for finding/fixing! Acked-by: John Fastabend