From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Lee Jones <lee.jones@linaro.org>,
Samuel Ortiz <sameo@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH] mfd: Add missing of_node_put for loop iteration
Date: Wed, 22 Sep 2021 10:13:07 +0200 [thread overview]
Message-ID: <57a78707-e01c-29a3-b899-8715aab6c6c4@canonical.com> (raw)
In-Reply-To: <20210528115126.18370-1-krzysztof.kozlowski@canonical.com>
On 28/05/2021 13:51, Krzysztof Kozlowski wrote:
> Early exits from for_each_child_of_node() should decrement the
> node reference counter. Reported by Coccinelle:
>
> drivers/mfd/mfd-core.c:197:2-24: WARNING:
> Function "for_each_child_of_node" should have of_node_put() before goto around lines 209.
>
> Fixes: c94bb233a9fe ("mfd: Make MFD core code Device Tree and IRQ domain aware")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
> drivers/mfd/mfd-core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
> index 79f5c6a18815..684a011a6396 100644
> --- a/drivers/mfd/mfd-core.c
> +++ b/drivers/mfd/mfd-core.c
> @@ -198,6 +198,7 @@ static int mfd_add_device(struct device *parent, int id,
> if (of_device_is_compatible(np, cell->of_compatible)) {
> /* Ignore 'disabled' devices error free */
> if (!of_device_is_available(np)) {
> + of_node_put(np);
> ret = 0;
> goto fail_alias;
> }
> @@ -205,6 +206,7 @@ static int mfd_add_device(struct device *parent, int id,
> ret = mfd_match_of_node_to_dev(pdev, np, cell);
> if (ret == -EAGAIN)
> continue;
> + of_node_put(np);
> if (ret)
> goto fail_alias;
>
>
Dear Lee,
This was already a resend. Any comments from your side?
Best regards,
Krzysztof
next prev parent reply other threads:[~2021-09-22 8:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-28 11:51 [RESEND PATCH] mfd: Add missing of_node_put for loop iteration Krzysztof Kozlowski
2021-09-22 8:13 ` Krzysztof Kozlowski [this message]
2021-09-22 13:08 ` Lee Jones
2021-10-06 7:58 ` Lee Jones
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