[SCSI] megaraid_sas: Return leaked MPT frames to MPT frame pool

The following patch for megaraid_sas will return leaked MPT frames from any
polled DCMD's that timeout to the MPT frame pool.

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f77715adf6bd..99b7bffb36fe 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2435,11 +2435,14 @@ int megasas_reset_fusion(struct Scsi_Host *shost)
                                                         instance,
                                                         cmd_mfi->context.smid
                                                         -1);
-                                                if (!req_desc)
+                                                if (!req_desc) {
                                                         printk(KERN_WARNING
                                                                "req_desc NULL"
                                                                "\n");
-                                                else {
+                                                        /* Return leaked MPT
+                                                           frame */
+                                                        megasas_return_cmd_fusion(instance, cmd_fusion);
+                                                } else {
                                                         instance->instancet->
                                                         fire_cmd(instance,
                                                                  req_desc->