linux-kernel - RE: [PATCH v2] net: hyperv: else branch not necessary

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Message-ID: <BN1PR0301MB0770F37DD16FE4D9AF368083CA350@BN1PR0301MB0770.namprd03.prod.outlook.com>
Date:	Mon, 26 Jan 2015 22:47:18 +0000
From:	Haiyang Zhang <haiyangz@...rosoft.com>
To:	Nicholas Mc Guire <der.herr@...r.at>,
	KY Srinivasan <kys@...rosoft.com>
CC:	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] net: hyperv: else branch not necessary



> -----Original Message-----
> From: Nicholas Mc Guire [mailto:der.herr@...r.at]
> Sent: Sunday, January 25, 2015 1:09 PM
> To: KY Srinivasan
> Cc: Haiyang Zhang; devel@...uxdriverproject.org; netdev@...r.kernel.org;
> linux-kernel@...r.kernel.org; Nicholas Mc Guire
> Subject: [PATCH v2] net: hyperv: else branch not necessary
> 
> As the if completes with a unconditional goto the else branch
> is not needed here.
> 
> Signed-off-by: Nicholas Mc Guire <der.herr@...r.at>

Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Thank you!

> ---
> 
> v2: added missing subsystem string in subject line - patch unchanged
> 
> All paths of execution that did not exit through the if branch will
> go through the else branch so no need for an explicit else here
> 
> Patch was compile tested only for x86_64_defconfig + CONFIG_X86_VSMP=y
> CONFIG_HYPERV=m, CONFIG_HYPERV_NET=m
> 
> Patch is against 3.19.0-rc5 -next-20150123
> 
>  drivers/net/hyperv/rndis_filter.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/hyperv/rndis_filter.c
> b/drivers/net/hyperv/rndis_filter.c
> index 7bd8387..efb84a9 100644
> --- a/drivers/net/hyperv/rndis_filter.c
> +++ b/drivers/net/hyperv/rndis_filter.c
> @@ -833,10 +833,10 @@ int rndis_filter_set_packet_filter(struct
> rndis_device *dev, u32 new_filter)
>  		 * send completion for it.
>  		 */
>  		goto exit;
> -	} else {
> -		set_complete = &request->response_msg.msg.set_complete;
> -		status = set_complete->status;
> -	}
> +	}
> +
> +	set_complete = &request->response_msg.msg.set_complete;
> +	status = set_complete->status;
> 
>  cleanup:
>  	if (request)
> --
> 1.7.10.4

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