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Close a theoretical race: By the time the watchdog comes around

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the interface may have been stopped, so we should not restart it.
This commit is contained in:
Poul-Henning Kamp 2005-01-06 23:13:50 +00:00
parent 86cb007f9f
commit c884a1dc23
1 changed files with 5 additions and 1 deletions
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6
sys/pci/if_sis.c
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@ -2235,11 +2235,15 @@ sis_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
static void
sis_watchdog(struct ifnet *ifp)
{
struct sis_softc *sc;
struct sis_softc *sc;
sc = ifp->if_softc;
SIS_LOCK(sc);
if (sc->sis_stopped) {
SIS_UNLOCK(sc);
return;
}
ifp->if_oerrors++;
printf("sis%d: watchdog timeout\n", sc->sis_unit);