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ASoC: hdac_hda: Fix hlink refcount leak on component registration failure

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hdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()
before registering the ASoC component. If component registration fails,
the function returns without dropping the link reference.

Always call snd_hdac_ext_bus_link_put() after the registration attempt so
the reference taken during probe is balanced on both success and failure.

Fixes: 6bae5ea949 ("ASoC: hdac_hda: add asoc extension for legacy HDA codec drivers")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20260622145645.1184986-1-haoxiang_li2024@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Haoxiang Li 2026-06-22 22:56:45 +08:00 committed by Mark Brown
parent 016f29997e
commit 6ad4892c4f
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 3 deletions
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4
sound/soc/codecs/hdac_hda.c
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@ -642,10 +642,8 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
&hdac_hda_codec, hdac_hda_dais,
ARRAY_SIZE(hdac_hda_dais));
if (ret < 0) {
if (ret < 0)
dev_err(&hdev->dev, "%s: failed to register HDA codec %d\n", __func__, ret);
return ret;
}
snd_hdac_ext_bus_link_put(hdev->bus, hlink);