On Thursday 05 February 2015 12:01:06 Felipe Balbi wrote:
> + /*
> + * if property doesn't have a value, or prop->length == 0 and
> + * we overflow, treat it as simple value-less flag.
> + */
> + if (rc == -ENODATA || rc == -EOVERFLOW)
> + return true;
> + if (WARN(rc < 0, "failed to read '%s' value -> %d\n",
> + propname, rc))
> + return false;
>
I think there are drivers today that use of_property_read_bool()
to check for the presence of a property that is not already empty.
If the property starts with a zero cell, that would break here.
Arnd
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