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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-11 08:41:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-11 08:41:08 +0100
commit42e64571d516ef761d9f330c80493637cbf3bdda (patch)
tree5f3df1c06c2d571efa5fd72d0c8022a80140eec2 /drivers/usb/core/devio.c
parentb8f3bff057b017309fbd61fe74712b1f185b5399 (diff)
parent50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff)
downloadlinux-42e64571d516ef761d9f330c80493637cbf3bdda.tar.gz
linux-42e64571d516ef761d9f330c80493637cbf3bdda.zip
Merge 4.15-rc3 into tty-next
We want the serial/tty 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.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 705c573d0257..a3fad4ec9870 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)