netdev - Re: [PATCH v2 net-next] ethtool: Remove inactive code snippet in ethtool_set_rxfh

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Date:	Wed, 19 Feb 2014 16:42:43 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	VenkatKumar.Duvvuru@...lex.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2 net-next] ethtool: Remove inactive code snippet in
 ethtool_set_rxfh_indir

From: Venkat Duvvuru <VenkatKumar.Duvvuru@...lex.com>
Date: Wed, 19 Feb 2014 13:20:25 +0530

> ethtool_rxfh_indir_default is invoked inside ethtool_set_rxfh_indir when
> user_size is zero. However user_size can only be zero when dev_size is
> zero in which case ethtool_get_rxfh_indir itself would return
> EOPNOTSUPP error. "user_size = 0" can never happen unless userspace
> ethtool sends user_size as zero beforing invoking the ioctl for
> ETHTOOL_SRSSH, in which case we should return -EINVAL.
> 
> v2: Modified commit message.
> 
> Signed-off-by: Venkat Duvvuru <VenkatKumar.Duvvuru@...lex.com>

It looks like the author of this code intended user_size == 0 as a way
to reset the indirection table to the default, did this ever work?
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