usb-xhci: fix bit test

use & instead of the wrong &&

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index fd13bba..5cf1a64 100644 (file)
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -501,7 +501,7 @@ static void xhci_irq_update(XHCIState *xhci)
     int level = 0;
 
     if (xhci->iman & IMAN_IP && xhci->iman & IMAN_IE &&
-        xhci->usbcmd && USBCMD_INTE) {
+        xhci->usbcmd & USBCMD_INTE) {
         level = 1;
     }