diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-05-03 12:52:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-03 12:52:45 +0200 |
| commit | 176d2323c7743e03e3bb4298b6f25eea2f00fed0 (patch) | |
| tree | c751cba895aa8870372c97c8340166de079eae8e /drivers/usb/usbip/stub_rx.c | |
| parent | 9b019acb72e4b5741d88e8936d6f200ed44b66b2 (diff) | |
| parent | ea9866793d1e925b4d320eaea409263b2a568f38 (diff) | |
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/usbip/stub_rx.c')
| -rw-r--r-- | drivers/usb/usbip/stub_rx.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 97b09a42a10c..dbfb2f24d71e 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -361,16 +361,10 @@ static int get_pipe(struct stub_device *sdev, struct usbip_header *pdu) } if (usb_endpoint_xfer_isoc(epd)) { - /* validate packet size and number of packets */ - unsigned int maxp, packets, bytes; - - maxp = usb_endpoint_maxp(epd); - maxp *= usb_endpoint_maxp_mult(epd); - bytes = pdu->u.cmd_submit.transfer_buffer_length; - packets = DIV_ROUND_UP(bytes, maxp); - + /* validate number of packets */ if (pdu->u.cmd_submit.number_of_packets < 0 || - pdu->u.cmd_submit.number_of_packets > packets) { + pdu->u.cmd_submit.number_of_packets > + USBIP_MAX_ISO_PACKETS) { dev_err(&sdev->udev->dev, "CMD_SUBMIT: isoc invalid num packets %d\n", pdu->u.cmd_submit.number_of_packets); |