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authorChristoph Hellwig <hch@lst.de>2017-02-04 10:45:03 +0100
committerJens Axboe <axboe@fb.com>2017-02-04 10:19:40 -0700
commite980f62353c697cbf0c4325e43df6e44399aeb64 (patch)
treeb8bb4434e6ae981b3aa47ee20e204162a3a2ce44 /block/blk-sysfs.c
parente4d750c97794ea2bab793d4c518b1f4006364588 (diff)
downloadlinux-0-day-e980f62353c697cbf0c4325e43df6e44399aeb64.tar.gz
dm: don't allow ioctls to targets that don't map to whole devices
.. at least for unprivileged users. Before we called into the SCSI ioctl code to allow excemptions for a few SCSI passthrough ioctls, but this is pretty unsafe and except for this call dm knows nothing about SCSI ioctls. As the SCSI ioctl code is now optional, we really don't want to drag it in for DM, and the exception is not very useful anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Snitzer <snitzer@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Johannes Thumshirn <jthumshirn@kernel.org> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-sysfs.c')
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