[scsi] Generalise iscsi_detached_command() to scsi_detached_command()

3 files changed, 15 insertions, 6 deletions

diff --git a/src/drivers/block/scsi.c b/src/drivers/block/scsi.c
index fe6dcd8c..19f99f82 100644
--- a/src/drivers/block/scsi.c
+++ b/src/drivers/block/scsi.c
@@ -45,6 +45,18 @@ block_to_scsi ( struct block_device *blockdev ) {
 }
 
 /**
+ * Handle SCSI command with no backing device
+ *
+ * @v scsi		SCSI device
+ * @v command		SCSI command
+ * @ret rc		Return status code
+ */
+int scsi_detached_command ( struct scsi_device *scsi __unused,
+			    struct scsi_command *command __unused ) {
+	return -ENODEV;
+}
+
+/**
  * Issue SCSI command
  *
  * @v scsi		SCSI device
diff --git a/src/include/gpxe/scsi.h b/src/include/gpxe/scsi.h
index fbdde8dc..b8866234 100644
--- a/src/include/gpxe/scsi.h
+++ b/src/include/gpxe/scsi.h
@@ -270,6 +270,8 @@ struct scsi_device {
 	struct refcnt *backend;
 };
 
+extern int scsi_detached_command ( struct scsi_device *scsi,
+				   struct scsi_command *command );
 extern int init_scsidev ( struct scsi_device *scsi );
 
 #endif /* _GPXE_SCSI_H */
diff --git a/src/net/tcp/iscsi.c b/src/net/tcp/iscsi.c
index 0f7b0de5..973718e0 100644
--- a/src/net/tcp/iscsi.c
+++ b/src/net/tcp/iscsi.c
@@ -1571,11 +1571,6 @@ static int iscsi_command ( struct scsi_device *scsi,
 	return 0;
 }
 
-static int iscsi_detached_command ( struct scsi_device *scsi __unused,
-				    struct scsi_command *command __unused ) {
-	return -ENODEV;
-}
-
 /**
  * Shut down iSCSI interface
  *
@@ -1588,7 +1583,7 @@ void iscsi_detach ( struct scsi_device *scsi ) {
 	xfer_nullify ( &iscsi->socket );
 	iscsi_close_connection ( iscsi, 0 );
 	process_del ( &iscsi->process );
-	scsi->command = iscsi_detached_command;
+	scsi->command = scsi_detached_command;
 	ref_put ( scsi->backend );
 	scsi->backend = NULL;
 }