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ASoC: rsnd: Fix an error handling path in 'rsnd_node_count()'

Message ID 4c0e893cbfa21dc76c1ede0b6f4f8cff42209299.1634586167.git.christophe.jaillet@wanadoo.fr (mailing list archive)
State Accepted
Commit 173632358fde7a567f28e07c4549b959ee857986
Headers show
Series ASoC: rsnd: Fix an error handling path in 'rsnd_node_count()' | expand

Commit Message

Christophe JAILLET Oct. 18, 2021, 7:44 p.m. UTC
If we return before the end of the 'for_each_child_of_node()' iterator, the
reference taken on 'np' must be released.

Add the missing 'of_node_put()' call.

Fixes: c413983eb66a ("ASoC: rsnd: adjust disabled module")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 sound/soc/sh/rcar/core.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Kuninori Morimoto Oct. 18, 2021, 11:13 p.m. UTC | #1
Hi

> If we return before the end of the 'for_each_child_of_node()' iterator, the
> reference taken on 'np' must be released.
> 
> Add the missing 'of_node_put()' call.
> 
> Fixes: c413983eb66a ("ASoC: rsnd: adjust disabled module")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---

Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Thank you for your help !!

Best regards
---
Kuninori Morimoto
Mark Brown Nov. 2, 2021, 6:30 p.m. UTC | #2
On Mon, 18 Oct 2021 21:44:16 +0200, Christophe JAILLET wrote:
> If we return before the end of the 'for_each_child_of_node()' iterator, the
> reference taken on 'np' must be released.
> 
> Add the missing 'of_node_put()' call.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: rsnd: Fix an error handling path in 'rsnd_node_count()'
      commit: 173632358fde7a567f28e07c4549b959ee857986

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

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Thanks,
Mark
diff mbox series

Patch

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 978bd0406729..6a8fe0da7670 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1225,6 +1225,7 @@  int rsnd_node_count(struct rsnd_priv *priv, struct device_node *node, char *name
 		if (i < 0) {
 			dev_err(dev, "strange node numbering (%s)",
 				of_node_full_name(node));
+			of_node_put(np);
 			return 0;
 		}
 		i++;