On Fri, Jan 31, 2014 at 04:18:51PM +1030, Rusty Russell wrote:
> Dan Carpenter <[email protected]> writes:
> > My static checker complains that:
> >
> >     drivers/char/hw_random/core.c:341 hwrng_register()
> >     warn: we tested 'old_rng' before and it was 'false'
> >
> > The problem is that sometimes we test "if (!old_rng)" and sometimes we
> > test "if (must_register_misc)".  The static checker knows they are
> > equivalent but a human being reading the code could easily be confused.
> >
> > I have simplified the code by removing the "must_register_misc" variable
> > and I have removed the redundant check on "if (!old_rng)".
> >
> > Signed-off-by: Dan Carpenter <[email protected]>
> 
> Yeah, clearer too.
> 
> Reviewed-by: Rusty Russell <[email protected]>

Patch applied.
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Email: Herbert Xu <[email protected]>
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