diff options
| author | Warner Losh <imp@FreeBSD.org> | 2007-06-29 20:34:42 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2007-06-29 20:34:42 +0000 |
| commit | 57c02fd5486b6a77211d078630b81dd5ddfacf85 (patch) | |
| tree | af8ad444e2a61f7c26e3cb7e8f9ccbfb7c38b41f /sys/dev/usb | |
| parent | f43bbab9a85156989ce3f8c63f54b88b80127b30 (diff) | |
| download | src-57c02fd5486b6a77211d078630b81dd5ddfacf85.tar.gz src-57c02fd5486b6a77211d078630b81dd5ddfacf85.zip | |
Change uhub to dynamic status size for status change endpoint. From a
pr, the submitter says:
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.
Submitted by: Lonnie Mendez
PR: 94946
Approved by: re@ (blanket)
Notes
Notes:
svn path=/head/; revision=171091
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/uhub.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/usb/uhub.c b/sys/dev/usb/uhub.c index aac0bfe49031..26defca9e003 100644 --- a/sys/dev/usb/uhub.c +++ b/sys/dev/usb/uhub.c @@ -83,7 +83,7 @@ struct uhub_softc { device_t 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 @@ uhub_attach(device_t self) 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) { device_printf(sc->sc_dev, "cannot open interrupt pipe\n"); goto bad; |