1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c71246061c0e..456c3c2c961d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -574,8 +574,7 @@ static void ops_complete_compute5(void *stripe_head_ref)
         release_stripe(sh);
 }
 
-static struct dma_async_tx_descriptor *
-ops_run_compute5(struct stripe_head *sh, unsigned long ops_request)
+static struct dma_async_tx_descriptor *ops_run_compute5(struct stripe_head *sh)
 {
         /* kernel stack size limits the total number of disks */
         int disks = sh->disks;
@@ -605,10 +604,6 @@ ops_run_compute5(struct stripe_head *sh, unsigned long ops_request)
                         ASYNC_TX_XOR_ZERO_DST, NULL,
                         ops_complete_compute5, sh);
 
-        /* ack now if postxor is not set to be run */
-        if (tx && !test_bit(STRIPE_OP_POSTXOR, &ops_request))
-                async_tx_ack(tx);
-
         return tx;
 }
 
@@ -813,8 +808,12 @@ static void raid5_run_ops(struct stripe_head *sh, unsigned long ops_request)
                 overlap_clear++;
         }
 
-        if (test_bit(STRIPE_OP_COMPUTE_BLK, &ops_request))
-                tx = ops_run_compute5(sh, ops_request);
+        if (test_bit(STRIPE_OP_COMPUTE_BLK, &ops_request)) {
+                tx = ops_run_compute5(sh);
+                /* terminate the chain if postxor is not set to be run */
+                if (tx && !test_bit(STRIPE_OP_POSTXOR, &ops_request))
+                        async_tx_ack(tx);
+        }
 
         if (test_bit(STRIPE_OP_PREXOR, &ops_request))
                 tx = ops_run_prexor(sh, tx);