diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-18 09:08:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-18 09:08:05 +0100 |
| commit | d9e3d899bc7a852d44b3305ed49799fbf090e756 (patch) | |
| tree | f3a75cb5f60be908a4384bd9e7add08486d7d338 /drivers/usb/core/devio.c | |
| parent | cc2e60dfa6ba4ff2c054bca932b9afc8702a2f9a (diff) | |
| parent | 1291a0d5049dbc06baaaf66a9ff3f53db493b19b (diff) | |
Merge 4.15-rc4 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 808b370f1737..45cf8b335793 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1442,14 +1442,18 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb int number_of_packets = 0; unsigned int stream_id = 0; void *buf; - - if (uurb->flags & ~(USBDEVFS_URB_ISO_ASAP | - USBDEVFS_URB_SHORT_NOT_OK | + unsigned long mask = USBDEVFS_URB_SHORT_NOT_OK | USBDEVFS_URB_BULK_CONTINUATION | USBDEVFS_URB_NO_FSBR | USBDEVFS_URB_ZERO_PACKET | - USBDEVFS_URB_NO_INTERRUPT)) - return -EINVAL; + USBDEVFS_URB_NO_INTERRUPT; + /* USBDEVFS_URB_ISO_ASAP is a special case */ + if (uurb->type == USBDEVFS_URB_TYPE_ISO) + mask |= USBDEVFS_URB_ISO_ASAP; + + if (uurb->flags & ~mask) + return -EINVAL; + if ((unsigned int)uurb->buffer_length >= USBFS_XFER_MAX) return -EINVAL; if (uurb->buffer_length > 0 && !uurb->buffer) |