On Tue, Oct 20, 2015 at 1:45 AM, Oliver Neukum <oneukum@xxxxxxxx> wrote:
> On Mon, 2015-10-19 at 17:01 -0500, Konstantin Shkolnyy wrote:
[...]
>> +static int cp210x_read_u16_reg(struct usb_serial *serial, u8 req, u16 *pval)
>> +{
>> + struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
>> + __le16 le16_value;
>
> 1. If you already get passed a pointer to a buffer, why use another
> buffer?
Because I want to preserve the caller's value in the case of an error.
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