FUJITA Tomonori wrote:
This is a fix for another fallout of the block layer conversion (sorry). This should be go into 2.6.28.y and 2.6.29.y. = From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Subject: [PATCH] sg: fix iovec bugs introduced by the block layer conversion - needs to use copy_from_user for iovec before passing it to blk_rq_map_user_iov(). - before the block layer conversion, if ->dxfer_len and sum of iovec disagrees, the shorter one wins. However, currently sg returns -EINVAL. This restores the old behavior. Cc: stable@xxxxxxxxxx Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
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