[PATCH v3] mtd: Fix gluebi NULL pointer dereference caused by ftl notifier

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "Miquel Raynal" <miquel.raynal at bootlin.com>
>> Detailed reproduction information available at the link[1],
>> 
>> The solution for the gluebi module is to run jffs2 on the UBI
>> volume without considering working with ftl or mtdblock.[2].
> 
> I am sorry but ftl, gluebi, mtdblock, jffs2 and ubi in the same report
> seem a little bit fuzzy. Are you sure about this sentence?

ZhaoLong Wang found an interesting bug while stacking various MTD components.
I suggested to just deny mtdblock on top of gluebi to avoid the whole
problem class instead of adding more duct tape.

Thanks,
//richard

The issue reminds me of one of my favorite Monty Python sketches, https://www.youtube.com/watch?v=LFrdqQZ8FFc
;-)