Windows does not expect SYNCHRONIZE_CACHE to be not supported,
and will generate a BSOD upon shutdown when using rd_mcp backend.
So better use a noop here.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index a664c66..3268483 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -464,8 +464,11 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
break;
case SYNCHRONIZE_CACHE:
case SYNCHRONIZE_CACHE_16:
- if (!ops->execute_sync_cache)
- return TCM_UNSUPPORTED_SCSI_OPCODE;
+ if (!ops->execute_sync_cache) {
+ size = 0;
+ cmd->execute_cmd = sbc_emulate_noop;
+ break;
+ }
/*
* Extract LBA and range to be flushed for emulated SYNCHRONIZE_CACHE
--
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