From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 9 Sep 2009 15:06:53 +0000 (+0200)
Subject: USB: skel_read really sucks royally
X-Git-Tag: v2.6.32-rc1~174^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7389cc9a7ff7c6e760e741c81a751c834f7d145;p=pandora-kernel.git

USB: skel_read really sucks royally

The read code path of the skeleton driver really sucks

 - skel_read works only for devices which always send data
 - the timeout comes out of thin air
 - it blocks signals for the duration of the timeout
 - it disallows nonblocking IO by design

This patch fixes it by using a real urb, a completion and interruptible waits.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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