commit | 69838727bcd819a8fd73a88447801221788b0c6d | [log] [tgz] |
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author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | Tue Apr 28 20:24:29 2009 +0200 |
committer | Jens Axboe <jens.axboe@oracle.com> | Tue Apr 28 20:24:29 2009 +0200 |
tree | 4fd6c31c1078ac079ea1ba0fa9cdf4aa581f06a7 | |
parent | 0191944282e84931f92915b5f06b348a92dac7e1 [diff] |
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>