On Wednesday, August 26, 2015 01:20:44 PM Guenter Roeck wrote: > Return -ENXIO if device property array access functions don't find > a suitable firmware interface. > > This lets drivers decide if they should use available platform data > instead. > > Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > Signed-off-by: Guenter Roeck <li...@roeck-us.net> > --- > v2: Added patch > > drivers/base/property.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/base/property.c b/drivers/base/property.c > index 287704d680bf..9600b824d138 100644 > --- a/drivers/base/property.c > +++ b/drivers/base/property.c > @@ -69,6 +69,9 @@ static int pset_prop_read_array(struct property_set *pset, > const char *name, > struct property_entry *prop; > unsigned int item_size; > > + if (!pset) > + return -ENXIO; > +
This isn't exactly straightforward, because it relies on the fact that pset_prop_read_array() is the last thing tried by FWNODE_PROP_READ_ARRAY() and fwnode_property_read_string_array(). A comment about that might be helpful. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
