On Mon, Apr 25, 2016 at 04:21:39PM +0300, Mika Westerberg wrote: > On Mon, Apr 25, 2016 at 04:01:19PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote: > > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > > Calling gpiod_get() from a module and then unloading the module leads to an > > oops due to acpi_can_fallback_to_crs() storing the pointer to the passed > > 'con_id' string onto acpi_crs_lookup_list. The next guy to come along will then > > try to access the string but the memory may now be gone with the module. > > Make a copy of the passed string instead, and store the copy on the list. > > > > [...] > > > > > v2: Make the copied con_id const > > > > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> > > Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > > Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html