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authorAnton Nefedov <anton.nefedov@virtuozzo.com>2017-07-06 15:08:52 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2017-07-14 11:04:33 +0200
commit3065070153ef4235659d821c0d6fa28fd0630c57 (patch)
treefa9b9f1378874f727da8faa466946b6ca5d38f23 /hw/usb/redirect.c
parent7c44a2a9d178118193febd71cfc6943dd21bdde9 (diff)
downloadfocaccia-qemu-3065070153ef4235659d821c0d6fa28fd0630c57.tar.gz
focaccia-qemu-3065070153ef4235659d821c0d6fa28fd0630c57.zip
char: avoid chardevice direct access
frontends should avoid accessing CharDriver struct where possible

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1499342940-56739-6-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/usb/redirect.c')
-rw-r--r--hw/usb/redirect.c5
1 files changed, 2 insertions, 3 deletions
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;
     }