]> git.baikalelectronics.ru Git - kernel.git/commit
fix regression in SCSI_IOCTL_SEND_COMMAND
authorTony Battersby <tonyb@cybernetics.com>
Fri, 22 Aug 2014 19:53:35 +0000 (15:53 -0400)
committerJens Axboe <axboe@fb.com>
Fri, 22 Aug 2014 20:04:33 +0000 (15:04 -0500)
commitc7a1e4c5408607c2d1e7a9bd8b97451a31609296
treee10d432b6e8fe38d768aa3f9ba3c136ff9756ad7
parentbbdaec00814a489d903bc7e7a32b1f4277575652
fix regression in SCSI_IOCTL_SEND_COMMAND

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: 6aa22e5d5c6c ("block: add blk_rq_set_block_pc()")
Cc: <stable@vger.kernel.org> # 3.16.x
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/scsi_ioctl.c