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Date:	Sat, 17 Oct 2015 17:12:37 -0700
From:	Greg KH <greg@...ah.com>
To:	Roland Dreier <roland@...nel.org>
Cc:	netdev@...r.kernel.org, stable@...r.kernel.org,
	Roland Dreier <roland@...estorage.com>
Subject: Re: [PATCH 3.19 and earlier] fib_rules: Fix dump_rules() not to exit
 early

On Mon, Oct 05, 2015 at 10:29:28AM -0700, Roland Dreier wrote:
> From: Roland Dreier <roland@...estorage.com>
> 
> Backports of 41fc014332d9 ("fib_rules: fix fib rule dumps across
> multiple skbs") introduced a regression in "ip rule show" - it ends up
> dumping the first rule over and over and never exiting, because 3.19
> and earlier are missing commit 053c095a82cf ("netlink: make
> nlmsg_end() and genlmsg_end() void"), so fib_nl_fill_rule() ends up
> returning skb->len (i.e. > 0) in the success case.
> 
> Fix this by checking the return code for < 0 instead of != 0.
> 
> Signed-off-by: Roland Dreier <roland@...estorage.com>
> ---
> Hi, this is needed for all stable trees earlier than 4.0 that have
> picked up 41fc014332d9; so far looks like at least 3.10.y and 3.14.y
> have made such releases.

Thanks for this, now applied to 3.10 and 3.14-stable trees.

greg k-h
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