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Message-Id: <20140424.160237.1682834218902091375.davem@davemloft.net>
Date: Thu, 24 Apr 2014 16:02:37 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: dborkman@...hat.com
Cc: ast@...mgrid.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 3/5] net: filter: get rid of sock_fprog_kern
From: Daniel Borkmann <dborkman@...hat.com>
Date: Thu, 24 Apr 2014 08:45:25 +0200
> It is actually cleaner to just get rid of sock_fprog_kern structure.
> It's not really useful as we can just use sock_fprog structure as
> we do elsewhere in the kernel, this could throw some sparse false
> positives though, but getting rid of the structure duplication is
> probably the better way to go.
>
> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>
> Acked-by: Alexei Starovoitov <ast@...mgrid.com>
But this is the whole point of sock_fprog_kern.
It's so that we can always have the correct type for the pointers, and
we can show cleanly (without lots of ugly casts) to sparse that whether
we expect a pointer to be a user or a kernel one.
I really don't like this change, sorry.
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