On 10/12/15 10:26, Krzysztof Kozlowski wrote:
> On each next iteration of for_each_compatible_node() the reference
> counter for current device node is already decreased by the loop
> iterator. The manual call to of_node_get() is required only on loop
> break which is not happening here.
>
> The double of_node_get() (with enabled CONFIG_OF_DYNAMIC) lead to
> decreasing the counter below expected, initial value.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Fixes: fe4034a3fad7 ("ARM: EXYNOS: Add missing of_node_put() when parsing power domains")
> ---
> arch/arm/mach-exynos/pm_domains.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
> index 4a87e86dec45..7c21760f590f 100644
> --- a/arch/arm/mach-exynos/pm_domains.c
> +++ b/arch/arm/mach-exynos/pm_domains.c
> @@ -200,15 +200,15 @@ no_clk:
> args.args_count = 0;
> child_domain = of_genpd_get_from_provider(&args);
> if (IS_ERR(child_domain))
> - goto next_pd;
> + continue;
>
> if (of_parse_phandle_with_args(np, "power-domains",
> "#power-domain-cells", 0, &args) != 0)
> - goto next_pd;
> + continue;
>
> parent_domain = of_genpd_get_from_provider(&args);
> if (IS_ERR(parent_domain))
> - goto next_pd;
> + continue;
>
> if (pm_genpd_add_subdomain(parent_domain, child_domain))
> pr_warn("%s failed to add subdomain: %s\n",
> @@ -216,8 +216,6 @@ no_clk:
> else
> pr_info("%s has as child subdomain: %s.\n",
> parent_domain->name, child_domain->name);
> -next_pd:
> - of_node_put(np);
> }
>
> return 0;
Looks good to me, applied.
Thanks,
Kukjin
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