Re: [PATCH] decnet: fix shutdown parameter checking

From: Steven Whitehouse <redacted>
Date: Mon, 27 Aug 2012 10:16:41 +0100

On Sun, 2012-08-26 at 22:37 -0400, Xi Wang wrote:

quoted

The allowed value of "how" is SHUT_RD/SHUT_WR/SHUT_RDWR (0/1/2),
rather than SHUTDOWN_MASK (3).

Signed-off-by: Xi Wang <xi.wang@gmail.com>

Acked-by: Steven Whitehouse <redacted>

Applied to net-next.

Although it could be argued that we should also continue to accept the
value 3 just in case there is any userland software out there which
sends that value,

True, but this is a rather standard BSD socket interface with a very
specific small set of legitimate input parameters.  Allowing
deviation, even for compatability for specific protocols, is largely
unwise.