linux-kernel - Re: [PATCH 1/3] Drivers: hv: vmbus: do cleanup on all vmbus

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Message-ID: <20150421090508.GB14154@mwanda>
Date:	Tue, 21 Apr 2015 12:05:08 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	devel@...uxdriverproject.org,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Drivers: hv: vmbus: do cleanup on all vmbus_open()
 failure paths

On Tue, Apr 21, 2015 at 10:17:52AM +0200, Vitaly Kuznetsov wrote:
> diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
> index 54da66d..836386f 100644
> --- a/drivers/hv/channel.c
> +++ b/drivers/hv/channel.c
> @@ -186,11 +186,12 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
>  	list_del(&open_info->msglistentry);
>  	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
>  
> -	if (err == 0)
> -		newchannel->state = CHANNEL_OPENED_STATE;
> +	if (err != 0)

Doesn't the double negative not make it slightly more confusing?

regards,
dan carpenter

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