Messages in this thread | | | Subject | Re: net: lockdep warning in ip_mc_msfget (net/ipv4/igmp.c:2400) | From | Marcelo Ricardo Leitner <> | Date | Tue, 3 Nov 2015 09:21:09 -0200 |
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Em 02-11-2015 22:38, Cong Wang escreveu: > On Mon, Nov 2, 2015 at 1:31 PM, Cong Wang <cwang@twopensource.com> wrote: >> >> Good catch! >> >> This is probably introduced by: >> >> commit baf606d9c9b12517e47e0d1370e8aa9f7323f210 >> Author: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> >> Date: Wed Mar 18 14:50:42 2015 -0300 >> >> ipv4,ipv6: grab rtnl before locking the socket
Yes, that commit introduced this inverse order situation by not fixing the get path of it.
>> I am thinking what is the right way to fix it... > > Please try the attached patch. > > Thanks!
Patch LGTM, same design and covered all rtnl_lock()s I could find on get path now. Thanks!
Marcelo
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