netdev - Re: [PATCH] netback: remove redundant assignment

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 6 Dec 2011 10:21:22 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Wei Liu <wei.liu2@...rix.com>
CC:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] netback: remove redundant assignment

On Tue, 2011-12-06 at 10:08 +0000, Wei Liu wrote:
> New value for netbk->mmap_pages[pending_idx] is assigned in
> xen_netbk_alloc_page(), no need for a second assignment which
> exposes internal to the outside world.
> 
> Signed-off-by: Wei Liu <wei.liu2@...rix.com>
Acked-by: Ian Campbell <ian.campbell@...rix.com>

> ---
>  drivers/net/xen-netback/netback.c |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
> index 15e332d..3ecb5aa 100644
> --- a/drivers/net/xen-netback/netback.c
> +++ b/drivers/net/xen-netback/netback.c
> @@ -940,8 +940,6 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk,
>  		if (!page)
>  			return NULL;
>  
> -		netbk->mmap_pages[pending_idx] = page;
> -
>  		gop->source.u.ref = txp->gref;
>  		gop->source.domid = vif->domid;
>  		gop->source.offset = txp->offset;
> @@ -1336,8 +1334,6 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
>  			continue;
>  		}
>  
> -		netbk->mmap_pages[pending_idx] = page;
> -
>  		gop->source.u.ref = txreq.gref;
>  		gop->source.domid = vif->domid;
>  		gop->source.offset = txreq.offset;


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html