diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/ozwpan/ozusbsvc1.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/staging/ozwpan/ozusbsvc1.c b/drivers/staging/ozwpan/ozusbsvc1.c index 6547e39d1d5a..d4f55b08ef78 100644 --- a/drivers/staging/ozwpan/ozusbsvc1.c +++ b/drivers/staging/ozwpan/ozusbsvc1.c @@ -314,10 +314,11 @@ static void oz_usb_handle_ep_data(struct oz_usb_ctx *usb_ctx, struct oz_multiple_fixed *body = (struct oz_multiple_fixed *)data_hdr; u8 *data = body->data; - int n; - if (!body->unit_size) + unsigned int n; + if (!body->unit_size || + len < sizeof(struct oz_multiple_fixed) - 1) break; - n = (len - sizeof(struct oz_multiple_fixed)+1) + n = (len - (sizeof(struct oz_multiple_fixed) - 1)) / body->unit_size; while (n--) { oz_hcd_data_ind(usb_ctx->hport, body->endpoint, |