diff options
| author |   mglocker <mglocker@openbsd.org> | 2007-09-17 20:43:18 +0000 |
|---|---|---|
| committer | mglocker <mglocker@openbsd.org> | 2007-09-17 20:43:18 +0000 |
| commit | f29eb7fc37e06fa0509dd6b043591cf4085dcdc0 (patch) | |
| tree | 6be9cb80331d77aa03fa375fac7237c78a219586 /sys | |
| parent | instead of inspecting the vnode op's to figure out if (diff) | |
| download | wireguard-openbsd-f29eb7fc37e06fa0509dd6b043591cf4085dcdc0.tar.xz wireguard-openbsd-f29eb7fc37e06fa0509dd6b043591cf4085dcdc0.zip | |
If device is down, don't handle any interrupts. Even don't read the
interrupt status register instead return directly. This fixes the machine
freeze on amd64 and let me receive proper interrupts if device is up.
This bit was originaly in the DragonFly code, and must have sneaked out
while porting ...
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/bwi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/ic/bwi.c b/sys/dev/ic/bwi.c index be2bfa14e9f..ac95dea2feb 100644 --- a/sys/dev/ic/bwi.c +++ b/sys/dev/ic/bwi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bwi.c,v 1.37 2007/09/17 14:26:51 mglocker Exp $ */ +/* $OpenBSD: bwi.c,v 1.38 2007/09/17 20:43:18 mglocker Exp $ */ /* * Copyright (c) 2007 The DragonFly Project. All rights reserved. @@ -506,12 +506,16 @@ int bwi_intr(void *xsc) { struct bwi_softc *sc = xsc; + struct ifnet *ifp = &sc->sc_ic.ic_if; uint32_t intr_status; uint32_t txrx_intr_status[BWI_TXRX_NRING]; int i, txrx_error; DPRINTF(2, "%s\n", __func__); + if ((ifp->if_flags & IFF_RUNNING) == 0) + return (0); + /* * Get interrupt status */ |