qdev: Unrealize must not fail

[mirror_qemu.git] / hw / s390x / virtio-ccw.c

diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 6580ce5907dd0b3c87bae8e049238c0571033bcd..c1f4bb1d331df1efb1026a8da50778f28d36f47a 100644 (file)
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -193,7 +193,7 @@ typedef struct VirtioThinintInfo {
 typedef struct VirtioRevInfo {
     uint16_t revision;
     uint16_t length;
-    uint8_t data[0];
+    uint8_t data[];
 } QEMU_PACKED VirtioRevInfo;
 
 /* Specify where the virtqueues for the subchannel are in guest memory. */
@@ -697,6 +697,7 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
     CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
     SubchDev *sch;
     Error *err = NULL;
+    int i;
 
     sch = css_create_sch(ccw_dev->devno, errp);
     if (!sch) {
@@ -717,6 +718,9 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
     ccw_dev->sch = sch;
     dev->indicators = NULL;
     dev->revision = -1;
+    for (i = 0; i < ADAPTER_ROUTES_MAX_GSI; i++) {
+        dev->routes.gsi[i] = -1;
+    }
     css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE);
 
     trace_virtio_ccw_new_device(
@@ -748,14 +752,14 @@ out_err:
     g_free(sch);
 }
 
-static void virtio_ccw_device_unrealize(VirtioCcwDevice *dev, Error **errp)
+static void virtio_ccw_device_unrealize(VirtioCcwDevice *dev)
 {
     VirtIOCCWDeviceClass *dc = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
     CcwDevice *ccw_dev = CCW_DEVICE(dev);
     SubchDev *sch = ccw_dev->sch;
 
     if (dc->unrealize) {
-        dc->unrealize(dev, errp);
+        dc->unrealize(dev);
     }
 
     if (sch) {
@@ -786,7 +790,7 @@ static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc,
     hwaddr len = 1;
     uint8_t *ind_addr;
 
-    ind_addr = cpu_physical_memory_map(ind_loc, &len, 1);
+    ind_addr = cpu_physical_memory_map(ind_loc, &len, true);
     if (!ind_addr) {
         error_report("%s(%x.%x.%04x): unable to access indicator",
                      __func__, sch->cssid, sch->ssid, sch->schid);
@@ -1151,11 +1155,11 @@ static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
     virtio_ccw_device_realize(_dev, errp);
 }
 
-static void virtio_ccw_busdev_unrealize(DeviceState *dev, Error **errp)
+static void virtio_ccw_busdev_unrealize(DeviceState *dev)
 {
     VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
 
-    virtio_ccw_device_unrealize(_dev, errp);
+    virtio_ccw_device_unrealize(_dev);
 }
 
 static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,