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path: root/drivers/s390/crypto/vfio_ap_ops.c
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Diffstat (limited to 'drivers/s390/crypto/vfio_ap_ops.c')
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 2c9fb1423a39..0604b49a4d32 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -26,7 +26,7 @@
static int vfio_ap_mdev_reset_queues(struct mdev_device *mdev);
-static int match_apqn(struct device *dev, void *data)
+static int match_apqn(struct device *dev, const void *data)
{
struct vfio_ap_queue *q = dev_get_drvdata(dev);
@@ -115,7 +115,6 @@ static void vfio_ap_wait_for_irqclear(int apqn)
* Unregisters the ISC in the GIB when the saved ISC not invalid.
* Unpin the guest's page holding the NIB when it exist.
* Reset the saved_pfn and saved_isc to invalid values.
- * Clear the pointer to the matrix mediated device.
*
*/
static void vfio_ap_free_aqic_resources(struct vfio_ap_queue *q)
@@ -127,7 +126,6 @@ static void vfio_ap_free_aqic_resources(struct vfio_ap_queue *q)
&q->saved_pfn, 1);
q->saved_pfn = 0;
q->saved_isc = VFIO_AP_ISC_INVALID;
- q->matrix_mdev = NULL;
}
/**
@@ -179,6 +177,7 @@ struct ap_queue_status vfio_ap_irq_disable(struct vfio_ap_queue *q)
status.response_code);
end_free:
vfio_ap_free_aqic_resources(q);
+ q->matrix_mdev = NULL;
return status;
}