>>>>> "nab" == Nicholas A Bellinger <nab@xxxxxxxxxxxxx> writes:
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 52ae54e..600ffcb 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -563,6 +563,27 @@ sbc_compare_and_write(struct se_cmd *cmd)
return TCM_NO_SENSE;
}
+bool
+sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb)
+{
+ if (!dev->dev_attrib.pi_prot_type)
+ return true;
+
+ if (dev->dev_attrib.pi_prot_type == TARGET_DIF_TYPE2_PROT &&
+ (cdb[1] & 0xe0))
+ return false;
+
+ if (!(cdb[1] & 0xe0)) {
+ pr_warn("Target: Unprotected READ/WRITE to DIF device\n");
+ return true;
+ }
You may want to remove this warning. I left it in scsi_debug upstream
for the convenience of tinkerers but quiesce it in my own tree.
--
Martin K. Petersen Oracle Linux Engineering
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