From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 28 Apr 2009 18:24:29 +0000 (+0200)
Subject: bio: fix memcpy corruption in bio_copy_user_iov()
X-Git-Tag: v2.6.30-rc4~7^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69838727bcd819a8fd73a88447801221788b0c6d;p=pandora-kernel.git

bio: fix memcpy corruption in bio_copy_user_iov()

st driver uses blk_rq_map_user() in order to just build a request out
of page frames. In this case, map_data->offset is a non zero value and
iov[0].iov_base is NULL. We need to increase nr_pages for that.

Cc: stable@kernel.org
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

Reading git-diff-tree failed