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-rw-r--r--hw/input/hid.c4
-rw-r--r--hw/usb/ccid-card-emulated.c29
-rw-r--r--hw/usb/dev-bluetooth.c24
-rw-r--r--hw/usb/host-libusb.c4
4 files changed, 30 insertions, 31 deletions
diff --git a/hw/input/hid.c b/hw/input/hid.c
index 9656e90c59..148c003bb2 100644
--- a/hw/input/hid.c
+++ b/hw/input/hid.c
@@ -124,7 +124,7 @@ static void hid_pointer_event(DeviceState *dev, QemuConsole *src,
         if (evt->rel->axis == INPUT_AXIS_X) {
             e->xdx += evt->rel->value;
         } else if (evt->rel->axis == INPUT_AXIS_Y) {
-            e->ydy -= evt->rel->value;
+            e->ydy += evt->rel->value;
         }
         break;
 
@@ -191,7 +191,7 @@ static void hid_pointer_sync(DeviceState *dev)
         if (hs->kind == HID_MOUSE) {
             prev->xdx += curr->xdx;
             curr->xdx = 0;
-            prev->ydy -= curr->ydy;
+            prev->ydy += curr->ydy;
             curr->ydy = 0;
         } else {
             prev->xdx = curr->xdx;
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index 7213c8909c..aa1c37aabd 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -126,7 +126,7 @@ struct EmulatedState {
     QemuMutex vreader_mutex; /* and guest_apdu_list mutex */
     QemuMutex handle_apdu_mutex;
     QemuCond handle_apdu_cond;
-    int      pipe[2];
+    EventNotifier notifier;
     int      quit_apdu_thread;
     QemuThread apdu_thread_id;
 };
@@ -162,9 +162,7 @@ static void emulated_push_event(EmulatedState *card, EmulEvent *event)
     qemu_mutex_lock(&card->event_list_mutex);
     QSIMPLEQ_INSERT_TAIL(&(card->event_list), event, entry);
     qemu_mutex_unlock(&card->event_list_mutex);
-    if (write(card->pipe[1], card, 1) != 1) {
-        DPRINTF(card, 1, "write to pipe failed\n");
-    }
+    event_notifier_set(&card->notifier);
 }
 
 static void emulated_push_type(EmulatedState *card, uint32_t type)
@@ -358,16 +356,12 @@ static void *event_thread(void *arg)
     return NULL;
 }
 
-static void pipe_read(void *opaque)
+static void card_event_handler(EventNotifier *notifier)
 {
-    EmulatedState *card = opaque;
+    EmulatedState *card = container_of(notifier, EmulatedState, notifier);
     EmulEvent *event, *next;
-    char dummy;
-    int len;
 
-    do {
-        len = read(card->pipe[0], &dummy, sizeof(dummy));
-    } while (len == sizeof(dummy));
+    event_notifier_test_and_clear(&card->notifier);
     qemu_mutex_lock(&card->event_list_mutex);
     QSIMPLEQ_FOREACH_SAFE(event, &card->event_list, entry, next) {
         DPRINTF(card, 2, "event %s\n", emul_event_to_string(event->p.gen.type));
@@ -404,16 +398,13 @@ static void pipe_read(void *opaque)
     qemu_mutex_unlock(&card->event_list_mutex);
 }
 
-static int init_pipe_signaling(EmulatedState *card)
+static int init_event_notifier(EmulatedState *card)
 {
-    if (pipe(card->pipe) < 0) {
-        DPRINTF(card, 2, "pipe creation failed\n");
+    if (event_notifier_init(&card->notifier, false) < 0) {
+        DPRINTF(card, 2, "event notifier creation failed\n");
         return -1;
     }
-    fcntl(card->pipe[0], F_SETFL, O_NONBLOCK);
-    fcntl(card->pipe[1], F_SETFL, O_NONBLOCK);
-    fcntl(card->pipe[0], F_SETOWN, getpid());
-    qemu_set_fd_handler(card->pipe[0], pipe_read, NULL, card);
+    event_notifier_set_handler(&card->notifier, card_event_handler);
     return 0;
 }
 
@@ -500,7 +491,7 @@ static int emulated_initfn(CCIDCardState *base)
     qemu_cond_init(&card->handle_apdu_cond);
     card->reader = NULL;
     card->quit_apdu_thread = 0;
-    if (init_pipe_signaling(card) < 0) {
+    if (init_event_notifier(card) < 0) {
         return -1;
     }
 
diff --git a/hw/usb/dev-bluetooth.c b/hw/usb/dev-bluetooth.c
index a9661d2801..a76e58191e 100644
--- a/hw/usb/dev-bluetooth.c
+++ b/hw/usb/dev-bluetooth.c
@@ -19,6 +19,7 @@
  */
 
 #include "qemu-common.h"
+#include "qemu/error-report.h"
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
 #include "sysemu/bt.h"
@@ -506,6 +507,14 @@ static int usb_bt_initfn(USBDevice *dev)
 
     usb_desc_create_serial(dev);
     usb_desc_init(dev);
+    s->dev.opaque = s;
+    if (!s->hci) {
+        s->hci = bt_new_hci(qemu_find_bt_vlan(0));
+    }
+    s->hci->opaque = s;
+    s->hci->evt_recv = usb_bt_out_hci_packet_event;
+    s->hci->acl_recv = usb_bt_out_hci_packet_acl;
+    usb_bt_handle_reset(&s->dev);
     s->intr = usb_ep_get(dev, USB_TOKEN_IN, USB_EVT_EP);
 
     return 0;
@@ -516,6 +525,7 @@ static USBDevice *usb_bt_init(USBBus *bus, const char *cmdline)
     USBDevice *dev;
     struct USBBtState *s;
     HCIInfo *hci;
+    const char *name = "usb-bt-dongle";
 
     if (*cmdline) {
         hci = hci_init(cmdline);
@@ -525,19 +535,17 @@ static USBDevice *usb_bt_init(USBBus *bus, const char *cmdline)
 
     if (!hci)
         return NULL;
-    dev = usb_create_simple(bus, "usb-bt-dongle");
+    dev = usb_create(bus, name);
     if (!dev) {
+        error_report("Failed to create USB device '%s'", name);
         return NULL;
     }
     s = DO_UPCAST(struct USBBtState, dev, dev);
-    s->dev.opaque = s;
-
     s->hci = hci;
-    s->hci->opaque = s;
-    s->hci->evt_recv = usb_bt_out_hci_packet_event;
-    s->hci->acl_recv = usb_bt_out_hci_packet_acl;
-
-    usb_bt_handle_reset(&s->dev);
+    if (qdev_init(&dev->qdev) < 0) {
+        error_report("Failed to initialize USB device '%s'", name);
+        return NULL;
+    }
 
     return dev;
 }
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 33b5b9ff19..c189147f91 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1522,7 +1522,7 @@ static void usb_host_auto_check(void *unused)
 {
     struct USBHostDevice *s;
     struct USBAutoFilter *f;
-    libusb_device **devs;
+    libusb_device **devs = NULL;
     struct libusb_device_descriptor ddesc;
     int unconnected = 0;
     int i, n;
@@ -1623,7 +1623,7 @@ static void usb_host_auto_check(void *unused)
 
 void usb_host_info(Monitor *mon, const QDict *qdict)
 {
-    libusb_device **devs;
+    libusb_device **devs = NULL;
     struct libusb_device_descriptor ddesc;
     char port[16];
     int i, n;