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SubjectRe: [PATCH v4 3/8] arm: fix return value of parse_cpu_capacity
On 20 April 2017 at 16:43, Juri Lelli <juri.lelli@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 directly returning 0).
>
> Cc: Russell King <linux@arm.linux.org.uk>
> Reported-by: Morten Rasmussen <morten.rasmussen@arm.com>
> Fixes: 06073ee26775 ('ARM: 8621/3: parse cpu capacity-dmips-mhz from DT')
> Signed-off-by: Juri Lelli <juri.lelli@arm.com>
> Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
> ---
>
> Changes from v3:
>
> - directly return 0 on failure (as pointed out by Vincent)
> ---
> 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..1b8ec3054642 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 0;

Acked-by: Vincent Guittot <vincent.guittot@linaor.org>
> }
> }
> capacity_scale = max(cpu_capacity, capacity_scale);
> --
> 2.10.0
>

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