From ab81a5e0660a058c2cc728fc114fa3082be78952 Mon Sep 17 00:00:00 2001 From: David Disseldorp Date: Thu, 23 Jul 2015 22:33:21 +0200 Subject: [PATCH] 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: David Disseldorp Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_sbc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 4fc8343786f2..0b4b2a67d9f9 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -992,6 +992,9 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) " than 1\n", sectors); 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 * zero is not an error.. -- 2.20.1