firewire: Return SCSI_MLQUEUE_HOST_BUSY for out of memory cases in queuecommand.

Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/firewire/fw-sbp2.c

diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index c32254e..07be24e 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -1017,7 +1017,9 @@
 	 */
 	if (cmd->sc_data_direction == DMA_BIDIRECTIONAL) {
 		fw_error("Cannot handle DMA_BIDIRECTIONAL - rejecting command");
-		goto fail_alloc;
+		cmd->result = DID_ERROR << 16;
+		done(cmd);
+		return 0;
 	}
 
 	orb = kzalloc(sizeof *orb, GFP_ATOMIC);
@@ -1093,9 +1095,7 @@
  fail_mapping:
 	kfree(orb);
  fail_alloc:
-	cmd->result = DID_ERROR << 16;
-	done(cmd);
-	return 0;
+	return SCSI_MLQUEUE_HOST_BUSY;
 }
 
 static int sbp2_scsi_slave_alloc(struct scsi_device *sdev)