Date: Sun, 26 Mar 2006 08:53:09 GMT From: Lonnie Mendez <lmendez19@austin.rr.com> To: freebsd-gnats-submit@FreeBSD.org Subject: usb/94946: [uhub][patch] code dynamic status size for status change endpoint Message-ID: <200603260853.k2Q8r9la000434@www.freebsd.org> Resent-Message-ID: <200603260900.k2Q90YaT055196@freefall.freebsd.org>
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>Number: 94946 >Category: usb >Synopsis: [uhub][patch] code dynamic status size for status change endpoint >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-usb >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 26 09:00:34 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Lonnie Mendez >Release: 6.1-BETA2 >Organization: >Environment: FreeBSD twind 6.1-BETA2 FreeBSD 6.1-BETA2 #4: Fri Mar 10 22:09:38 CST 2006 root@twind:/usr/src/sys/i386/compile/MYKERNEL i386 >Description: Found this while running freebsd as guest in qemu with -usb parameter. The patch implements the missing dynamic size based on number of ports a hub has. >How-To-Repeat: >Fix: Index: sys/dev/usb/uhub.c @@ -84,7 +84,7 @@ USBBASEDEVICE sc_dev; /* base device */ usbd_device_handle sc_hub; /* USB device */ usbd_pipe_handle sc_ipipe; /* interrupt pipe */ - u_int8_t sc_status[1]; /* xxx more ports */ + u_int8_t sc_status[32]; /* max 255 ports */ u_char sc_running; }; #define UHUB_PROTO(sc) ((sc)->sc_hub->ddesc.bDeviceProtocol) @@ -279,7 +279,7 @@ err = usbd_open_pipe_intr(iface, ed->bEndpointAddress, USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_status, - sizeof(sc->sc_status), uhub_intr, UHUB_INTR_INTERVAL); + (nports + 1 + 7) / 8, uhub_intr, UHUB_INTR_INTERVAL); if (err) { printf("%s: cannot open interrupt pipe\n", USBDEVNAME(sc->sc_dev)); >Release-Note: >Audit-Trail: >Unformatted:
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