diff mbox series

target: fix All_commands parameter data header size

Message ID 20250115070739.216154-1-wdhh66@163.com
State New
Headers show
Series target: fix All_commands parameter data header size | expand

Commit Message

Chaohai Chen Jan. 15, 2025, 7:07 a.m. UTC
The SPC document states that "The COMMAND DATA LENGTH field indicates the
length in bytes of the command descriptor list".

The length should be subtracted by 4 to represent
the length of the description list, not 3

Signed-off-by: Chaohai Chen <wdhh66@163.com>
---
 drivers/target/target_core_spc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index ea14a3835681..61c065702350 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -2243,7 +2243,7 @@  spc_emulate_report_supp_op_codes(struct se_cmd *cmd)
 			response_length += spc_rsoc_encode_command_descriptor(
 					&buf[response_length], rctd, descr);
 		}
-		put_unaligned_be32(response_length - 3, buf);
+		put_unaligned_be32(response_length - 4, buf);
 	} else {
 		response_length = spc_rsoc_encode_one_command_descriptor(
 				&buf[response_length], rctd, descr,