linux-kernel - Re: [2.6 patch] net/phy/mdio_bus.c: fix a check-after-use

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Message-ID: <47BC5ACB.6070203@pobox.com>
Date:	Wed, 20 Feb 2008 11:52:27 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Adrian Bunk <bunk@...nel.org>
CC:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] net/phy/mdio_bus.c: fix a check-after-use

Adrian Bunk wrote:
> This patch fixes a check-after-use spotted by the Coverity checker.
> 
> Signed-off-by: Adrian Bunk <bunk@...nel.org>
> 
> ---
> 6beeb3ac577d74d72b2f91bd654eecb904c3c17e diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
> index 6e9f619..963630c 100644
> --- a/drivers/net/phy/mdio_bus.c
> +++ b/drivers/net/phy/mdio_bus.c
> @@ -49,13 +49,13 @@ int mdiobus_register(struct mii_bus *bus)
>  	int i;
>  	int err = 0;
>  
> -	mutex_init(&bus->mdio_lock);
> -
>  	if (NULL == bus || NULL == bus->name ||
>  			NULL == bus->read ||
>  			NULL == bus->write)
>  		return -EINVAL;
>  
> +	mutex_init(&bus->mdio_lock);
> +

applied


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