[PATCH v3 3/9] arm: fix return value of parse_cpu_capacity
Juri Lelli
juri.lelli at arm.com
Wed Mar 29 01:06:03 PDT 2017
On 29/03/17 09:37, Vincent Guittot wrote:
> On 27 March 2017 at 15:18, Juri Lelli <juri.lelli at arm.com> wrote:
> > parse_cpu_capacity() has to return 0 on failure, but it currently returns
> > 1 instead if raw_capacity kcalloc failed.
> >
> > Fix it by removing the negation of the return value.
> >
> > Cc: Russell King <linux at arm.linux.org.uk>
> > Reported-by: Morten Rasmussen <morten.rasmussen at arm.com>
> > Fixes: 06073ee26775 ('ARM: 8621/3: parse cpu capacity-dmips-mhz from DT')
> > Signed-off-by: Juri Lelli <juri.lelli at arm.com>
> > ---
> > arch/arm/kernel/topology.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
> > index f8a3ab82e77f..4e4af809606a 100644
> > --- a/arch/arm/kernel/topology.c
> > +++ b/arch/arm/kernel/topology.c
> > @@ -166,7 +166,7 @@ static int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu)
> > if (!raw_capacity) {
> > pr_err("cpu_capacity: failed to allocate memory for raw capacities\n");
> > cap_parsing_failed = true;
> > - return !ret;
> > + return ret;
>
> Why not directly returning 0 ? whatever the value of ret, the parse of
> cpu capacity has failed in this case
>
Sure, can change that.
Thanks,
- Juri
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