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From: Sven Eckelmann <sven@narfation.org>
Date: Tue, 01 Nov 2016 08:30:34 +0100
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Subject: Re: [B.A.T.M.A.N.] [3/3] batman-adv: genetlink: mark families as
	__ro_after_init
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On Samstag, 29. Oktober 2016 10:03:28 CET Sven Eckelmann wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> Now genl_register_family() is the only thing (other than the
> users themselves, perhaps, but I didn't find any doing that)
> writing to the family struct.
> 
> In all families that I found, genl_register_family() is only
> called from __init functions (some indirectly, in which case
> I've add __init annotations to clarifly things), so all can
> actually be marked __ro_after_init.
> 
> This protects the data structure from accidental corruption.
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> Signed-off-by: David S. Miller <davem@davemloft.net>
> [sven@narfation.org: Add compat code]
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> Patch already in net-next
> 
>  compat-include/linux/cache.h | 35 +++++++++++++++++++++++++++++++++++
>  net/batman-adv/netlink.c     |  2 +-
>  2 files changed, 36 insertions(+), 1 deletion(-)
>  create mode 100644 compat-include/linux/cache.h

Applied in c776b4a071d82f8ad0e35d1b9472758ecf69a75e [1].

Kind regards,
        Sven

[1] https://git.open-mesh.org/batman-adv.git/commit/c776b4a071d82f8ad0e35d1b9472758ecf69a75e
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