[PATCH 009/117] iscsi: Add a compile-time structure size check

[Bart Van Assche <bvanassche@xxxxxxx>]

Before modifying the struct iscsi_bsg_reply definition, add a compile-time
structure size check.

Cc: Lee Duncan <lduncan@xxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 drivers/scsi/scsi_transport_iscsi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index bebfb355abdf..4f821118ea23 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -4729,6 +4729,9 @@ static __init int iscsi_transport_init(void)
 		.groups	= 1,
 		.input	= iscsi_if_rx,
 	};
+
+	BUILD_BUG_ON(offsetof(struct iscsi_bsg_reply, reply_data) != 8);
+
 	printk(KERN_INFO "Loading iSCSI transport class v%s.\n",
 		ISCSI_TRANSPORT_VERSION);