From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/hda/hdac_sysfs.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/kernel/sound/hda/hdac_sysfs.c b/kernel/sound/hda/hdac_sysfs.c
index fb2aa34..bcf302f 100644
--- a/kernel/sound/hda/hdac_sysfs.c
+++ b/kernel/sound/hda/hdac_sysfs.c
@@ -346,8 +346,10 @@
return -ENOMEM;
kobject_init(kobj, &widget_ktype);
err = kobject_add(kobj, parent, "%02x", nid);
- if (err < 0)
+ if (err < 0) {
+ kobject_put(kobj);
return err;
+ }
err = sysfs_create_group(kobj, group);
if (err < 0) {
kobject_put(kobj);
@@ -395,6 +397,7 @@
return 0;
}
+/* call with codec->widget_lock held */
int hda_widget_sysfs_init(struct hdac_device *codec)
{
int err;
@@ -411,11 +414,13 @@
return 0;
}
+/* call with codec->widget_lock held */
void hda_widget_sysfs_exit(struct hdac_device *codec)
{
widget_tree_free(codec);
}
+/* call with codec->widget_lock held */
int hda_widget_sysfs_reinit(struct hdac_device *codec,
hda_nid_t start_nid, int num_nodes)
{
@@ -425,7 +430,7 @@
int i;
if (!codec->widgets)
- return hda_widget_sysfs_init(codec);
+ return 0;
tree = kmemdup(codec->widgets, sizeof(*tree), GFP_KERNEL);
if (!tree)
--
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