--- sound/core/init.c

+++ sound/core/init.c

@@ -848,6 +848,7 @@ int snd_card_file_add(struct snd_card *c

return -ENOMEM;

mfile->file = file;

mfile->disconnected_f_op = NULL;

+ INIT_LIST_HEAD(&mfile->shutdown_list);

spin_lock(&card->files_lock);

if (card->shutdown) {

spin_unlock(&card->files_lock);

@@ -883,6 +884,9 @@ int snd_card_file_remove(struct snd_card

list_for_each_entry(mfile, &card->files_list, list) {

if (mfile->file == file) {

list_del(&mfile->list);

+ spin_lock(&shutdown_lock);

+ list_del(&mfile->shutdown_list);

+ spin_unlock(&shutdown_lock);

if (mfile->disconnected_f_op)

fops_put(mfile->disconnected_f_op);

found = mfile;