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02-18-2008, 08:48 AM
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 possible NULL dereference Hi! While hacking on HID things i found ``possible NULL dereference'' after malloc() with M_NOWAIT. Check the diff for details. Index: uhidev.c ================================================== ================= RCS file: /cvs/src/sys/dev/usb/uhidev.c,v retrieving revision 1.12 diff -u -u -r1.12 uhidev.c --- uhidev.c 6 Jan 2006 03:36:32 -0000 1.12 +++ uhidev.c 22 Aug 2006 21:04:59 -0000 @@ -215,11 +215,11 @@ nrepid++; sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), M_USBDEV, M_NOWAIT); - bzero(sc->sc_subdevs, nrepid * sizeof(device_ptr_t)); if (sc->sc_subdevs == NULL) { printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); USB_ATTACH_ERROR_RETURN; } + bzero(sc->sc_subdevs, nrepid * sizeof(device_ptr_t)); sc->sc_nrepid = nrepid; sc->sc_isize = 0; -- Alexey V. Vatchenko http://psytech.h10.ru -> http://www.bsdua.org JID: avv@jabber.zp.ua ICQ: 162799204      |
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