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);