FAILED: patch "[PATCH] ASoC: hdac_hda: Fix hlink refcount leak on component" failed to apply to 6.1-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 6ad4892c4f5cb437a928a02f5b7d37d496aa9268
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026090904-opposite-unpadded-c0c6@gregkh' --subject-prefix 'PATCH 6.1.y' 'HEAD^..'

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 6ad4892c4f5cb437a928a02f5b7d37d496aa9268 Mon Sep 17 00:00:00 2001
From: Haoxiang Li <haoxiang_li2024@163.com>
Date: Mon, 22 Jun 2026 22:56:45 +0800
Subject: [PATCH] ASoC: hdac_hda: Fix hlink refcount leak on component
 registration failure

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: 6bae5ea94989 ("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>

diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c
index 680e341aa7f1..1ab5f8a26e03 100644
--- a/sound/soc/codecs/hdac_hda.c
+++ b/sound/soc/codecs/hdac_hda.c
@@ -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);