On Thu, Jul 25, 2013 at 03:36:17AM +0900, Won Kang wrote: > +- Explain reason for multiples of 512 bytes in alloc_tx_struct() Actually I remembered that I had seen this before in gdm_usb_send() from drivers/staging/gdm72xx/gdm_usb.c. Apparently there is a firmware bug. /* * In some cases, USB Module of WiMax is blocked when data size is * the multiple of 512. So, increment length by one in that case. */ if ((len % 512) == 0) len++; regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel