Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ublk: return unsigned from ublk_{,un}map_io()
ublk_map_io() and ublk_unmap_io() never return negative values, and
their return values are stored in variables of type unsigned. Clarify
that they can't fail by making their return types unsigned.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
authored by
Caleb Sander Mateos
and committed by
Jens Axboe
727a4402
6b0a2993
+4
-3
+4
-3
drivers/block/ublk_drv.c
+4
-3
drivers/block/ublk_drv.c
···
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(req_op(req) == REQ_OP_READ || req_op(req) == REQ_OP_DRV_IN);
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}
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-
static int ublk_map_io(const struct ublk_queue *ubq, const struct request *req,
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-
const struct ublk_io *io)
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+
static unsigned int ublk_map_io(const struct ublk_queue *ubq,
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+
const struct request *req,
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const struct ublk_io *io)
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{
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const unsigned int rq_bytes = blk_rq_bytes(req);
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···
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return rq_bytes;
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}
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-
static int ublk_unmap_io(bool need_map,
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+
static unsigned int ublk_unmap_io(bool need_map,
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const struct request *req,
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const struct ublk_io *io)
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{