tree 62c245b32720573d97718795b0c8165cad967b05
parent 4f10aae0d1a285df6b16bf6ca5abd366140fd371
author FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> 1229579376 +0900
committer James Bottomley <James.Bottomley@HansenPartnership.com> 1230916181 -0600

[SCSI] block: fix bio_add_page misuse with rq_map_data

This fixes bio_add_page misuse in bio_copy_user_iov with rq_map_data,
which only sg uses now.

rq_map_data carries page frames for bio_add_pc_page. bio_copy_user_iov
uses bio_add_pc_page with a larger size than PAGE_SIZE. It's clearly
wrong.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>