Compare pointer with NULL instead of using them as a condition.
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parent
9f786f908f
commit
dc901ef1f3
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@ -1,4 +1,4 @@
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/* $NetBSD: uhub.c,v 1.51 2001/10/24 15:30:17 augustss Exp $ */
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/* $NetBSD: uhub.c,v 1.52 2001/10/26 17:53:59 augustss Exp $ */
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/* $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $ */
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/*
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@ -371,8 +371,14 @@ uhub_explore(usbd_device_handle dev)
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DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_"
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"STATUS\n", port));
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/* No status change, just do recursive explore. */
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if (up->device && up->device->hub)
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if (up->device != NULL && up->device->hub != NULL)
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up->device->hub->explore(up->device);
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#if 0 && defined(DIAGNOSTIC)
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if (up->device == NULL &&
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(status & UPS_CURRENT_CONNECT_STATUS))
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printf("%s: connected, no device\n",
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USBDEVNAME(sc->sc_dev));
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#endif
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continue;
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}
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