1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index a91f5143ceac..12ecffbf518f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -636,6 +636,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
 static irqreturn_t
 _base_interrupt(int irq, void *bus_id)
 {
+        union reply_descriptor {
+                u64 word;
+                struct {
+                        u32 low;
+                        u32 high;
+                } u;
+        };
+        union reply_descriptor rd;
         u32 post_index, post_index_next, completed_cmds;
         u8 request_desript_type;
         u16 smid;
@@ -656,7 +664,8 @@ _base_interrupt(int irq, void *bus_id)
 
         completed_cmds = 0;
         do {
-                if (ioc->reply_post_free[post_index].Words == ~0ULL)
+                rd.word = ioc->reply_post_free[post_index].Words;
+                if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
                         goto out;
                 reply = 0;
                 cb_idx = 0xFF;
@@ -721,7 +730,7 @@ _base_interrupt(int irq, void *bus_id)
         for (i = 0 ; i < completed_cmds; i++) {
                 post_index = post_index_next;
                 /* poison the reply post descriptor */
-                ioc->reply_post_free[post_index_next].Words = ~0ULL;
+                ioc->reply_post_free[post_index_next].Words = ULLONG_MAX;
                 post_index_next = (post_index ==
                     (ioc->reply_post_queue_depth - 1))
                     ? 0 : post_index + 1;
@@ -3068,7 +3077,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
 
         /* initialize Reply Post Free Queue */
         for (i = 0; i < ioc->reply_post_queue_depth; i++)
-                ioc->reply_post_free[i].Words = ~0ULL;
+                ioc->reply_post_free[i].Words = ULLONG_MAX;
 
         r = _base_send_ioc_init(ioc, VF_ID, sleep_flag);
         if (r)