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* [PATCH] mmc: core: quirks: Add of_node_put() when breaking out of loop
@ 2022-07-19  9:10 Liang He
  2022-07-21 16:13 ` Ulf Hansson
  0 siblings, 1 reply; 2+ messages in thread
From: Liang He @ 2022-07-19  9:10 UTC (permalink / raw)
  To: ulf.hansson, linux-mmc, windhl

In mmc_fixup_of_compatible_match(), we should call of_node_put()
when breaking out of for_each_child_of_node() which will increase
and decrease the refcount during one iteration.

Fixes: b360b1102670 ("mmc: core: allow to match the device tree to apply quirks")
Signed-off-by: Liang He <windhl@126.com>
---
 drivers/mmc/core/quirks.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index f879dc63d936..be4393988086 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -163,8 +163,10 @@ static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card,
 	struct device_node *np;
 
 	for_each_child_of_node(mmc_dev(card->host)->of_node, np) {
-		if (of_device_is_compatible(np, compatible))
+		if (of_device_is_compatible(np, compatible)) {
+			of_node_put(np);
 			return true;
+		}
 	}
 
 	return false;
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mmc: core: quirks: Add of_node_put() when breaking out of loop
  2022-07-19  9:10 [PATCH] mmc: core: quirks: Add of_node_put() when breaking out of loop Liang He
@ 2022-07-21 16:13 ` Ulf Hansson
  0 siblings, 0 replies; 2+ messages in thread
From: Ulf Hansson @ 2022-07-21 16:13 UTC (permalink / raw)
  To: Liang He; +Cc: linux-mmc

On Tue, 19 Jul 2022 at 11:10, Liang He <windhl@126.com> wrote:
>
> In mmc_fixup_of_compatible_match(), we should call of_node_put()
> when breaking out of for_each_child_of_node() which will increase
> and decrease the refcount during one iteration.
>
> Fixes: b360b1102670 ("mmc: core: allow to match the device tree to apply quirks")
> Signed-off-by: Liang He <windhl@126.com>

Applied for next, thanks!

Kind regards
Uffe



> ---
>  drivers/mmc/core/quirks.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
> index f879dc63d936..be4393988086 100644
> --- a/drivers/mmc/core/quirks.h
> +++ b/drivers/mmc/core/quirks.h
> @@ -163,8 +163,10 @@ static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card,
>         struct device_node *np;
>
>         for_each_child_of_node(mmc_dev(card->host)->of_node, np) {
> -               if (of_device_is_compatible(np, compatible))
> +               if (of_device_is_compatible(np, compatible)) {
> +                       of_node_put(np);
>                         return true;
> +               }
>         }
>
>         return false;
> --
> 2.25.1
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-07-21 16:14 UTC | newest]

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2022-07-19  9:10 [PATCH] mmc: core: quirks: Add of_node_put() when breaking out of loop Liang He
2022-07-21 16:13 ` Ulf Hansson

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