[PATCH 1/2] powerpc/module_64: Improve restore_r2() return semantics

[Miroslav Benes]

On Tue, 24 Jan 2023, Josh Poimboeuf wrote:

> restore_r2() returns 1 on success, which is surprising for a non-boolean
> function.  Change it to return 0 on success and -errno on error to match
> kernel coding convention.
> 
> Signed-off-by: Josh Poimboeuf <jpoimboe at kernel.org>

Reviewed-by: Miroslav Benes <mbenes at suse.cz>

M