2 files changed, 9 insertions, 1 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 12faf64f91b..d1c53455c06 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -758,7 +758,7 @@ _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
                 if (smid < ioc->internal_smid) {
                         i = smid - ioc->hi_priority_smid;
                         cb_idx = ioc->hpr_lookup[i].cb_idx;
-                } else {
+                } else if (smid <= ioc->hba_queue_depth)  {
                         i = smid - ioc->internal_smid;
                         cb_idx = ioc->internal_lookup[i].cb_idx;
                 }
@@ -848,6 +848,7 @@ _base_interrupt(int irq, void *bus_id)
                 return IRQ_NONE;
 
         completed_cmds = 0;
+        cb_idx = 0xFF;
         do {
                 rd.word = rpf->Words;
                 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
@@ -860,6 +861,9 @@ _base_interrupt(int irq, void *bus_id)
                     MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
                         reply = le32_to_cpu
                                 (rpf->AddressReply.ReplyFrameAddress);
+                        if (reply > ioc->reply_dma_max_address ||
+                            reply < ioc->reply_dma_min_address)
+                                reply = 0;
                 } else if (request_desript_type ==
                     MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
                         goto next;
@@ -2221,6 +2225,8 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
                     ioc->name);
                 goto out;
         }
+        ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
+        ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
         dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
             "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
             ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 0b15a8bdebf..63f7a196f42 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -737,6 +737,8 @@ struct MPT2SAS_ADAPTER {
         u16             reply_sz;
         u8              *reply;
         dma_addr_t      reply_dma;
+        u32             reply_dma_max_address;
+        u32             reply_dma_min_address;
         struct dma_pool *reply_dma_pool;
 
         /* reply free queue */