On 27 March 2017 at 15:18, Juri Lelli <juri.lelli@xxxxxxx> 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@xxxxxxxxxxxxxxxx>
> Reported-by: Morten Rasmussen <morten.rasmussen@xxxxxxx>
> Fixes: 06073ee26775 ('ARM: 8621/3: parse cpu capacity-dmips-mhz from DT')
> Signed-off-by: Juri Lelli <juri.lelli@xxxxxxx>
> ---
> 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
> }
> }
> capacity_scale = max(cpu_capacity, capacity_scale);
> --
> 2.10.0
>
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