[SCSI] libfc: release DDP context if frame_send() fails

In case frame_send() fails, make sure to let the underlying HW release the DDP
context that has already been set up before calling frame_send().

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 2a3a472..f880d40 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -312,7 +312,7 @@
  *		       DDP related resources for a fcp_pkt
  * @fsp: The FCP packet that DDP had been used on
  */
-static void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp)
+void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp)
 {
 	struct fc_lport *lport;