From: Tejun Heo <htejun@gmail.com>
Date: Mon, 16 Jul 2007 05:29:40 +0000 (+0900)
Subject: libata: make ->scr_read/write callbacks return error code
X-Git-Tag: v2.6.23-rc1~219^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da3dbb17a0e9a9ec7f5aed95f1fddadb790edc9d;p=pandora-kernel.git

libata: make ->scr_read/write callbacks return error code

Convert ->scr_read/write callbacks to return error code to better
indicate failure.  This will help handling of SCR_NOTIFICATION.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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