netdev - RE: [iproute PATCH v2 7/7] ip/tcp_metrics: Simplify process

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]

Message-ID: <063D6719AE5E284EB5DD2968C1650D6D5F4E17FB@AcuExch.aculab.com>
Date:	Tue, 21 Jun 2016 16:29:33 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'Phil Sutter' <phil@....cc>,
	Stephen Hemminger <shemming@...cade.com>
CC:	Daniel Borkmann <daniel@...earbox.net>,
	David Ahern <dsa@...ulusnetworks.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Julien Floret <julien.floret@...nd.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [iproute PATCH v2 7/7] ip/tcp_metrics: Simplify process_msg a
 bit

From: Of Phil Sutter
> Sent: 21 June 2016 17:19
> By combining the attribute extraction and check for existence, the
> additional indentation level in the 'else' clause can be avoided.
> 
> In addition to that, common actions for 'daddr' are combined since the
> function returns if neither of the branches are taken.
> 
> Signed-off-by: Phil Sutter <phil@....cc>
> ---
>  ip/tcp_metrics.c | 45 ++++++++++++++++++---------------------------
>  1 file changed, 18 insertions(+), 27 deletions(-)
> 
> diff --git a/ip/tcp_metrics.c b/ip/tcp_metrics.c
> index f82604f458ada..899830c127bcb 100644
> --- a/ip/tcp_metrics.c
> +++ b/ip/tcp_metrics.c
> @@ -112,47 +112,38 @@ static int process_msg(const struct sockaddr_nl *who, struct nlmsghdr *n,
>  	parse_rtattr(attrs, TCP_METRICS_ATTR_MAX, (void *) ghdr + GENL_HDRLEN,
>  		     len);
> 
> -	a = attrs[TCP_METRICS_ATTR_ADDR_IPV4];
> -	if (a) {
> +	if ((a = attrs[TCP_METRICS_ATTR_ADDR_IPV4])) {

horrid