X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=usb%2Fdrivers%2Fclass%2Fhid.c;h=fe5a17c2fecfa5e8600a452b1cb2ac8eeb2cae3b;hb=refs%2Ftags%2Fdemo0;hp=60d3a4db118b0283b134ced18ccd086b98aa8c84;hpb=1f2f56aa83e0076f34c78b5fb8e45e8f2a9426b3;p=ppcskel.git

diff --git a/usb/drivers/class/hid.c b/usb/drivers/class/hid.c
index 60d3a4d..fe5a17c 100644
--- a/usb/drivers/class/hid.c
+++ b/usb/drivers/class/hid.c
@@ -36,6 +36,9 @@ void usb_hidkb_probe()
 	
 	while(iterator != NULL) {
 		dev = (struct usb_device*)iterator->data;
+		if(dev == NULL) {
+			continue;
+		}
 
 		if(dev->conf->intf->bInterfaceClass == HID_CLASSCODE &&
 				dev->conf->intf->bInterfaceSubClass == 1 && /* keyboard support boot protocol? */
@@ -51,6 +54,11 @@ void usb_hidkb_check()
 {
 }
 
+u8 usb_hidkb_inuse()
+{
+	return hidkb.data ? 1 : 0;
+}
+
 struct kbrep *usb_hidkb_getChars() {
 	struct usb_device *dev = (struct usb_device*) hidkb.data;
 	struct kbrep *ret = (struct kbrep*) malloc(sizeof(struct kbrep));