ALSA: hda - Fix widget sysfs tree corruption after refresh

[linux-2.6-microblaze.git] / sound / hda / hdac_sysfs.c

diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c
index 089b35f..c71142d 100644 (file)
--- a/sound/hda/hdac_sysfs.c
+++ b/sound/hda/hdac_sysfs.c
@@ -390,6 +390,9 @@ int hda_widget_sysfs_init(struct hdac_device *codec)
 {
        int err;
 
+       if (codec->widgets)
+               return 0; /* already created */
+
        err = widget_tree_create(codec);
        if (err < 0) {
                widget_tree_free(codec);