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Avoid a race condition spotted by UCHIYAMA Yasushi <uch@vnop.net>.

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This commit is contained in:
augustss 2002-02-27 01:30:50 +00:00
parent e8116a8f5b
commit 0357a44190
1 changed files with 3 additions and 3 deletions
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6
sys/dev/usb/uhidev.c
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@ -1,4 +1,4 @@
/* $NetBSD: uhidev.c,v 1.4 2002/01/27 18:10:34 augustss Exp $ */
/* $NetBSD: uhidev.c,v 1.5 2002/02/27 01:30:50 augustss Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -189,7 +189,7 @@ USB_ATTACH(uhidev)
printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid);
nrepid++;
sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t),
M_USBDEV, M_NOWAIT);
M_USBDEV, M_NOWAIT | M_ZERO);
if (sc->sc_subdevs == NULL) {
printf("%s: no memory\n", USBDEVNAME(sc->sc_dev));
USB_ATTACH_ERROR_RETURN;
@ -218,7 +218,7 @@ USB_ATTACH(uhidev)
if (hid_report_size(desc, size, hid_input, repid) == 0 &&
hid_report_size(desc, size, hid_output, repid) == 0 &&
hid_report_size(desc, size, hid_feature, repid) == 0) {
sc->sc_subdevs[repid] = NULL;
; /* already NULL in sc->sc_subdevs[repid] */
} else {
uha.reportid = repid;
dev = (struct uhidev *)config_found_sm(self, &uha,