netdev - Re: [PATCH net] liquidio: silence a locking static checker warning

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Message-ID: <20170428174251.GA1021@felix-thinkpad.cavium.com>
Date:   Fri, 28 Apr 2017 10:42:51 -0700
From:   Felix Manlunas <felix.manlunas@...ium.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Derek Chickles <derek.chickles@...iumnetworks.com>,
        Satanand Burla <satananda.burla@...iumnetworks.com>,
        Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com>,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] liquidio: silence a locking static checker warning

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Fri, 28 Apr 2017 15:57:15 +0300

> Presumably we never hit this return, but static checkers complain that
> we need to unlock so we may as well fix that.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> 
> diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
> index 201b9875f9bb..5cca73b8880b 100644
> --- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
> +++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
> @@ -313,6 +313,7 @@ int octeon_mbox_process_message(struct octeon_mbox *mbox)
>  		return 0;
>  	}
>  
> +	spin_unlock_irqrestore(&mbox->lock, flags);
>  	WARN_ON(1);
>  
>  	return 0;

Thanks.

Acked-by: Felix Manlunas <felix.manlunas@...ium.com>