nvmet: fix byte swap in nvmet_parse_io_cmd

We need to do arithmetics after byte swapping, not before. Signed-off-by: Christoph Hellwig <[email protected]> Signed-off-by: Sagi Grimberg <[email protected]>
Blub · Apr 2, 2017 · 793c7ed · 793c7ed
1 parent 78ce3da
commit 793c7ed
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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: