From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Date: Tue, 8 Mar 2011 22:44:11 +0000 (+0000)
Subject: Phonet: provide pipe socket option to retrieve the pipe identifier
X-Git-Tag: v2.6.39-rc1~468^2~119
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acaf7df610ff3faf1778ce40d601fc3dd4a41b40;p=pandora-kernel.git

Phonet: provide pipe socket option to retrieve the pipe identifier

User-space sometimes needs this information. In particular, the GPRS
context or the AT commands pipe setups may use the pipe handle as a
reference.

This removes the settable pipe handle with CONFIG_PHONET_PIPECTRLR.
It did not handle error cases correctly. Furthermore, the kernel
*could* implement a smart scheme for allocating handles (if ever
needed), but userspace really cannot.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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