90 	struct fasync_struct *fasync;  member
102 	struct snd_fasync *fasync;  in snd_fasync_work_fn()  local
106 		fasync = list_first_entry(&snd_fasync_list, struct snd_fasync, list);  in snd_fasync_work_fn()
107 		list_del_init(&fasync->list);  in snd_fasync_work_fn()
109 		if (fasync->on)  in snd_fasync_work_fn()
110 			kill_fasync(&fasync->fasync, fasync->signal, fasync->poll);  in snd_fasync_work_fn()
121 	struct snd_fasync *fasync = NULL;  in snd_fasync_helper()  local
124 		fasync = kzalloc(sizeof(*fasync), GFP_KERNEL);  in snd_fasync_helper()
125 		if (!fasync)  in snd_fasync_helper()
127 		INIT_LIST_HEAD(&fasync->list);  in snd_fasync_helper()
132 		kfree(fasync);  in snd_fasync_helper()
133 		fasync = *fasyncp;  in snd_fasync_helper()
135 		if (!fasync) {  in snd_fasync_helper()
139 		*fasyncp = fasync;  in snd_fasync_helper()
141 	fasync->on = on;  in snd_fasync_helper()
143 	return fasync_helper(fd, file, on, &fasync->fasync);  in snd_fasync_helper()
147 void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)  in snd_kill_fasync()  argument
151 	if (!fasync || !fasync->on)  in snd_kill_fasync()
154 	fasync->signal = signal;  in snd_kill_fasync()
155 	fasync->poll = poll;  in snd_kill_fasync()
156 	list_move(&fasync->list, &snd_fasync_list);  in snd_kill_fasync()
162 void snd_fasync_free(struct snd_fasync *fasync)  in snd_fasync_free()  argument
164 	if (!fasync)  in snd_fasync_free()
166 	fasync->on = 0;  in snd_fasync_free()
168 	kfree(fasync);  in snd_fasync_free()