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Date:   Tue, 21 Jul 2020 12:27:04 -0700
From:   Jakub Kicinski <>
To:     Taehee Yoo <>
Subject: Re: [PATCH net v2] netdevsim: fix unbalaced locking in

On Tue, 21 Jul 2020 14:51:50 +0000 Taehee Yoo wrote:
> In the nsim_create(), rtnl_lock() is called before nsim_bpf_init().
> If nsim_bpf_init() is failed, rtnl_unlock() should be called,
> but it isn't called.
> So, unbalanced locking would occur.
> Fixes: e05b2d141fef ("netdevsim: move netdev creation/destruction to dev probe")
> Signed-off-by: Taehee Yoo <>

Reviewed-by: Jakub Kicinski <>


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