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-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 7752656c3d21..50cd01165e35 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -233,6 +233,7 @@ static void ibmvscsi_task(void *data)
while ((crq = crq_queue_next_crq(&hostdata->queue)) != NULL) {
ibmvscsi_handle_crq(crq, hostdata);
crq->valid = VIOSRP_CRQ_FREE;
+ wmb();
}
vio_enable_interrupts(vdev);
@@ -241,6 +242,7 @@ static void ibmvscsi_task(void *data)
vio_disable_interrupts(vdev);
ibmvscsi_handle_crq(crq, hostdata);
crq->valid = VIOSRP_CRQ_FREE;
+ wmb();
} else {
done = 1;
}