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nvmet: fix byte swap in nvmet_parse_io_cmd
author
Christoph Hellwig
<hch@lst.de>
Fri, 31 Mar 2017 15:00:08 +0000
(17:00 +0200)
committer
Sagi Grimberg
<sagi@grimberg.me>
Sun, 2 Apr 2017 07:24:15 +0000
(10:24 +0300)
We need to do arithmetics after byte swapping, not before.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
drivers/nvme/target/io-cmd.c
patch
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diff --git
a/drivers/nvme/target/io-cmd.c
b/drivers/nvme/target/io-cmd.c
index
e37acd7
..
6b0baa9
100644
(file)
--- a/
drivers/nvme/target/io-cmd.c
+++ b/
drivers/nvme/target/io-cmd.c
@@
-230,7
+230,7
@@
int nvmet_parse_io_cmd(struct nvmet_req *req)
return 0;
case nvme_cmd_dsm:
req->execute = nvmet_execute_dsm;
- req->data_len =
le32_to_cpu(cmd->dsm.nr
+ 1) *
+ req->data_len =
(le32_to_cpu(cmd->dsm.nr)
+ 1) *
sizeof(struct nvme_dsm_range);
return 0;
case nvme_cmd_write_zeroes: