Hello Greg, On 17.04.2021 00:16:40, Alexandre Belloni wrote: > On Wed, 10 Mar 2021 16:10:26 -0500, Francois Gervais wrote: > > The rtc device node is always or at the very least can possibly be NULL. > > > > Since v5.12-rc1-dontuse/3c9ea42802a1fbf7ef29660ff8c6e526c58114f6 this > > will lead to a NULL pointer dereference. > > > > To fix this we fallback to using the parent node which is the i2c client > > node as set by devm_rtc_allocate_device(). > > > > [...] > > Applied, thanks! > > [1/1] rtc: pcf85063: fallback to parent of_node > commit: 03531606ef4cda25b629f500d1ffb6173b805c05 > > I made the fallback unconditionnal because this should have been that way from > the beginning as you point out. can you queue this for stable, as it causes a NULL Pointer deref with (at least) v5.12. Thanks, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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