On Mon, 2016-06-06 at 20:04 +0530, Prasun Maiti wrote: > iwpriv app uses iw_point structure to send data to Kernel. The > iw_point > structure holds a pointer. For compatibility Kernel converts the > pointer > as required for WEXT IOCTLs (SIOCIWFIRST to SIOCIWLAST). Some drivers > may use iw_handler_def.private_args to populate iwpriv commands > instead > of iw_handler_def.private. For those case, the IOCTLs from > SIOCIWFIRSTPRIV to SIOCIWLASTPRIV will follow the path > ndo_do_ioctl(). > Accordingly when the filled up iw_point structure comes from 32 bit > iwpriv to 64 bit Kernel, Kernel will not convert the pointer and > sends > it to driver. So, the driver may get the invalid data. > Applied. johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
