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Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/ccid-card-passthru.c4
-rw-r--r--hw/usb/dev-serial.c5
-rw-r--r--hw/usb/redirect.c5
3 files changed, 6 insertions, 8 deletions
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index e9f58c9f67..45d96b03c6 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -322,7 +322,7 @@ static void passthru_apdu_from_guest(
{
PassthruState *card = PASSTHRU_CCID_CARD(base);
- if (!qemu_chr_fe_get_driver(&card->cs)) {
+ if (!qemu_chr_fe_backend_connected(&card->cs)) {
printf("ccid-passthru: no chardev, discarding apdu length %d\n", len);
return;
}
@@ -343,7 +343,7 @@ static int passthru_initfn(CCIDCardState *base)
card->vscard_in_pos = 0;
card->vscard_in_hdr = 0;
- if (qemu_chr_fe_get_driver(&card->cs)) {
+ if (qemu_chr_fe_backend_connected(&card->cs)) {
DPRINTF(card, D_INFO, "initing chardev\n");
qemu_chr_fe_set_handlers(&card->cs,
ccid_card_vscard_can_read,
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index dc145a6529..94b5c34afe 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -484,13 +484,12 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
{
USBSerialState *s = USB_SERIAL_DEV(dev);
Error *local_err = NULL;
- Chardev *chr = qemu_chr_fe_get_driver(&s->cs);
usb_desc_create_serial(dev);
usb_desc_init(dev);
dev->auto_attach = 0;
- if (!chr) {
+ if (!qemu_chr_fe_backend_connected(&s->cs)) {
error_setg(errp, "Property chardev is required");
return;
}
@@ -505,7 +504,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
usb_serial_event, NULL, s, NULL, true);
usb_serial_handle_reset(dev);
- if (chr->be_open && !dev->attached) {
+ if (qemu_chr_fe_backend_open(&s->cs) && !dev->attached) {
usb_device_attach(dev, &error_abort);
}
}
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 115efb966b..c597145471 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -273,10 +273,9 @@ static gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond,
static int usbredir_write(void *priv, uint8_t *data, int count)
{
USBRedirDevice *dev = priv;
- Chardev *chr = qemu_chr_fe_get_driver(&dev->cs);
int r;
- if (!chr->be_open) {
+ if (!qemu_chr_fe_backend_open(&dev->cs)) {
return 0;
}
@@ -1366,7 +1365,7 @@ static void usbredir_realize(USBDevice *udev, Error **errp)
USBRedirDevice *dev = USB_REDIRECT(udev);
int i;
- if (!qemu_chr_fe_get_driver(&dev->cs)) {
+ if (!qemu_chr_fe_backend_connected(&dev->cs)) {
error_setg(errp, QERR_MISSING_PARAMETER, "chardev");
return;
}