Avoid null reference, from Nick Hibma, FreeBSD.
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46fd81350a
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60179e2a13
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@ -1,4 +1,4 @@
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/* $NetBSD: uhub.c,v 1.24 1999/08/28 21:42:35 augustss Exp $ */
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/* $NetBSD: uhub.c,v 1.25 1999/09/02 18:13:50 augustss Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -466,12 +466,14 @@ uhub_disconnect_port(up)
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return;
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}
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hubname = USBDEVNAME(*up->parent->subdevs[0]);
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for (i = 0; dev->subdevs[i]; i++) {
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printf("%s: at %s port %d (addr %d) disconnected\n",
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USBDEVNAME(*dev->subdevs[i]), hubname,
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up->portno, dev->address);
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config_detach(dev->subdevs[i], DETACH_FORCE);
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if (dev->subdevs) {
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hubname = USBDEVNAME(*up->parent->subdevs[0]);
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for (i = 0; dev->subdevs[i]; i++) {
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printf("%s: at %s port %d (addr %d) disconnected\n",
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USBDEVNAME(*dev->subdevs[i]), hubname,
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up->portno, dev->address);
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config_detach(dev->subdevs[i], DETACH_FORCE);
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}
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}
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dev->bus->devices[dev->address] = 0;
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