Dubios pointer casting with put_user()

Valdis Kl=?utf-8?Q?=c4=93?=tnieks valdis.kletnieks at vt.edu
Sun Jul 19 18:50:47 EDT 2020


On Sun, 19 Jul 2020 14:15:36 +0200, Richard Sailer said:

> > If that were true, you wouldn't need to pass the 'amount' variable....
> >
> Hmm, that would make no sense to me. arg is a pointer to user space
> memory, put_user would still need the value to copy to that memory.

-ENOCAFFEINE. :)

I was thinking copy_(to/from)_user, not get/put.

I will now depart for the grocery store and obtain a supply of caffeine :)

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