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Commit ab81a5e0 authored by David Disseldorp's avatar David Disseldorp Committed by Nicholas Bellinger
Browse files

target: check DPO/FUA usage for COMPARE AND WRITE 



COMPARE AND WRITE requests should fail if DPO or FUA is set, but the
device is not advertising support.

Signed-off-by: default avatarDavid Disseldorp <ddiss@suse.de>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 915270c3

drivers/target/target_core_sbc.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -992,6 +992,9 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) 
			       " than 1\n", sectors);

			       " than 1\n", sectors);

			return TCM_INVALID_CDB_FIELD;

			return TCM_INVALID_CDB_FIELD;

		}

		}

		if (sbc_check_dpofua(dev, cmd, cdb))

			return TCM_INVALID_CDB_FIELD;



		/*

		/*

		 * Double size because we have two buffers, note that

		 * Double size because we have two buffers, note that

		 * zero is not an error..

		 * zero is not an error..