From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 18 Feb 2008 12:51:56 +0000 (+0100)
Subject: block: make blk_rq_map_user() clear ->bio if it unmaps it
X-Git-Tag: v2.6.25-rc3~122^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84e9e03c55c2456799ab19f1d577e72f721fdd39;p=pandora-kernel.git

block: make blk_rq_map_user() clear ->bio if it unmaps it

That way the interface is symmetric, and calling blk_rq_unmap_user()
on the request wont oops.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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