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Date:	Sat, 07 Feb 2015 22:50:12 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	roopa@...ulusnetworks.com
Cc:	bridge@...ts.linux-foundation.org, dan.carpenter@...cle.com,
	stephen@...workplumber.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] bridge: add missing bridge port check for
 offloads

From: roopa@...ulusnetworks.com
Date: Thu,  5 Feb 2015 22:24:45 -0800

> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> 
> This patch fixes a missing bridge port check caught by smatch.
> 
> setlink/dellink of attributes like vlans can come for a bridge device
> and there is no need to offload those today. So, this patch adds a bridge
> port check. (In these cases however, the BRIDGE_SELF flags will always be set
> and we may not hit a problem with the current code).
> 
> smatch complaint:
> 
> The patch 68e331c785b8: "bridge: offload bridge port attributes to
> switch asic if feature flag set" from Jan 29, 2015, leads to the
> following Smatch complaint:
> 
> net/bridge/br_netlink.c:552 br_setlink()
> 	 error: we previously assumed 'p' could be null (see line 518)
> 
> net/bridge/br_netlink.c
>    517
>    518		if (p && protinfo) {
>                     ^
> Check for NULL.
> 
> Reported-By: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>

Applied, thanks.
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