This is a note to let you know that I've just added the patch titled
ASoC: da7219-aad: fix usage of device_get_named_child_node()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-da7219-aad-fix-usage-of-device_get_named_child_.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9e01d53c3bee3d9f5d117e52b2844f4d85223ff5
Author: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Date: Fri Apr 26 10:30:33 2024 -0500
ASoC: da7219-aad: fix usage of device_get_named_child_node()
[ Upstream commit e8a6a5ad73acbafd98e8fd3f0cbf6e379771bb76 ]
The documentation for device_get_named_child_node() mentions this
important point:
"
The caller is responsible for calling fwnode_handle_put() on the
returned fwnode pointer.
"
Add fwnode_handle_put() to avoid a leaked reference.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240426153033.38500-1-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index e4e314604c0a1..06caca22a55a0 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -630,8 +630,10 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component
return NULL;
aad_pdata = devm_kzalloc(dev, sizeof(*aad_pdata), GFP_KERNEL);
- if (!aad_pdata)
+ if (!aad_pdata) {
+ fwnode_handle_put(aad_np);
return NULL;
+ }
aad_pdata->irq = i2c->irq;
@@ -706,6 +708,8 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component
else
aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1;
+ fwnode_handle_put(aad_np);
+
return aad_pdata;
}
