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Diffstat (limited to 'sys/dev/usb/ukbd.c')
-rw-r--r--sys/dev/usb/ukbd.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/usb/ukbd.c b/sys/dev/usb/ukbd.c
index 5eac2d720ca..70b2e74ca8a 100644
--- a/sys/dev/usb/ukbd.c
+++ b/sys/dev/usb/ukbd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ukbd.c,v 1.48 2009/10/13 20:56:50 miod Exp $ */
+/* $OpenBSD: ukbd.c,v 1.49 2009/11/25 11:39:45 miod Exp $ */
/* $NetBSD: ukbd.c,v 1.85 2003/03/11 16:44:00 augustss Exp $ */
/*
@@ -192,7 +192,7 @@ struct ukbd_softc {
int sc_console_keyboard; /* we are the console keyboard */
char sc_debounce; /* for quirk handling */
- struct timeout sc_delay; /* for quirk handling */
+ struct timeout sc_delay; /* for quirk handling */
struct ukbd_data sc_data; /* for quirk handling */
struct hid_location sc_numloc;
@@ -529,6 +529,10 @@ ukbd_intr(struct uhidev *addr, void *ibuf, u_int len)
memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8,
sc->sc_nkeycode);
+ /* ignore duplicate data */
+ if (memcmp(ud, &sc->sc_odata, sizeof *ud) == 0)
+ return;
+
if (sc->sc_debounce && !sc->sc_polling) {
/*
* Some keyboards have a peculiar quirk. They sometimes