linux-kernel - Re: [PATCH RFC 1/3] net: bridge: log state when setting it

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Message-ID: <20160213200353.GA17193@colbert.idosch.org>
Date:	Sat, 13 Feb 2016 22:03:53 +0200
From:	Ido Schimmel <idosch@...lanox.com>
To:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<kernel@...oirfairelinux.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Pirko <jiri@...nulli.us>,
	Scott Feldman <sfeldma@...il.com>,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH RFC 1/3] net: bridge: log state when setting it

Fri, Feb 12, 2016 at 11:34:18PM IST, vivien.didelot@...oirfairelinux.com wrote:

Hi Vivien,

>Every call to br_set_state is followed by a call to br_log_state.
>Directly call it within br_set_state instead.
>
>Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
>---

Maybe I'm missing something, but there are other instances of this
pattern throughout the code, so why not convert them as well? See
br_set_port_state() for example.

Thanks.

> net/bridge/br_stp.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
>diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
>index b3cca12..077afca 100644
>--- a/net/bridge/br_stp.c
>+++ b/net/bridge/br_stp.c
>@@ -52,6 +52,8 @@ void br_set_state(struct net_bridge_port *p, unsigned int state)
> 	if (err && err != -EOPNOTSUPP)
> 		br_warn(p->br, "error setting offload STP state on port %u(%s)\n",
> 				(unsigned int) p->port_no, p->dev->name);
>+	else
>+		br_log_state(p);
> }
> 
> /* called under bridge lock */
>@@ -126,7 +128,6 @@ static void br_root_port_block(const struct net_bridge *br,
> 		  (unsigned int) p->port_no, p->dev->name);
> 
> 	br_set_state(p, BR_STATE_LISTENING);
>-	br_log_state(p);
> 	br_ifinfo_notify(RTM_NEWLINK, p);
> 
> 	if (br->forward_delay > 0)
>@@ -407,7 +408,6 @@ static void br_make_blocking(struct net_bridge_port *p)
> 			br_topology_change_detection(p->br);
> 
> 		br_set_state(p, BR_STATE_BLOCKING);
>-		br_log_state(p);
> 		br_ifinfo_notify(RTM_NEWLINK, p);
> 
> 		del_timer(&p->forward_delay_timer);
>@@ -431,7 +431,6 @@ static void br_make_forwarding(struct net_bridge_port *p)
> 	else
> 		br_set_state(p, BR_STATE_LEARNING);
> 
>-	br_log_state(p);
> 	br_ifinfo_notify(RTM_NEWLINK, p);
> 
> 	if (br->forward_delay != 0)
>-- 
>2.7.1
>