On Wed, Jan 24, 2018 at 05:14:50PM +0100, Lars-Peter Clausen wrote: > On 01/23/2018 11:53 PM, David Lechner wrote: > > This fixes a possible NULL pointer dereference oops in > > regmap_name_read_file() when the regmap does not have a device > > associated with it.
> > - ret = snprintf(buf, PAGE_SIZE, "%s\n", map->dev->driver->name); > > + if (map->dev && map->dev->driver) > > + name = map->dev->driver->name; > > + > > + ret = snprintf(buf, PAGE_SIZE, "%s\n", name); > Won't this print "(null)" now? Not sure if that is the best approach. Indeed. It is an improvement but not exactly helpful.
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