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linux/block/scsi_ioctl.c
Tony Battersby 81048fbcbd fix regression in SCSI_IOCTL_SEND_COMMAND 
commit 2ba136daa3 upstream.

blk_rq_set_block_pc() memsets rq->cmd to 0, so it should come
immediately after blk_get_request() to avoid overwriting the
user-supplied CDB.  Also check for failure to allocate rq.

Fixes: f27b087b81 ("block: add blk_rq_set_block_pc()")
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-17 09:22:01 -07:00

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