On Sat, May 22, 2021 at 05:36:36PM +0200, Marc Kleine-Budde wrote: > 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. After it hits Linus's tree, let stable@xxxxxxxxxxxxxxx know the id and we will glad to add it to the stable trees. thanks, greg k-h