Re: [RFC PATCH 3/4] usb: typec: USB Type-C Port Manager (tcpm)

From: Guenter Roeck
Date: Wed Aug 03 2016 - 14:47:54 EST


On Wed, Aug 3, 2016 at 2:28 AM, Oliver Neukum <oneukum@xxxxxxxx> wrote:
> On Tue, 2016-08-02 at 13:32 -0700, Guenter Roeck wrote:
>> +static bool svdm_consume_svids(struct tcpm_port *port, const u32
>> *payload,
>> + int cnt)
>> +{
>> + struct pd_mode_data *pmdata = &port->mode_data;
>> + int i;
>> +
>> + for (i = 1; i < cnt; i++) {
>> + u16 svid;
>> +
>> + svid = (payload[i] >> 16) & 0xffff;
>> + if (!svid)
>> + return false;
>
> Hi,
>
> this looks like an endianness bug.
>

Yes, you are right, and there are lots of those in my code. Thanks for
bringing it up.

Guenter