124 	ret = mutex_lock_interruptible(&st->buf_mutex);  in vp702x_usb_inout_cmd()
131 			mutex_unlock(&st->buf_mutex);  in vp702x_usb_inout_cmd()
150 	mutex_unlock(&st->buf_mutex);  in vp702x_usb_inout_cmd()
161 	mutex_lock(&st->buf_mutex);  in vp702x_set_pld_mode()
168 	mutex_unlock(&st->buf_mutex);  in vp702x_set_pld_mode()
178 	mutex_lock(&st->buf_mutex);  in vp702x_set_pld_state()
185 	mutex_unlock(&st->buf_mutex);  in vp702x_set_pld_state()
207 	mutex_lock(&dst->buf_mutex);  in vp702x_set_pid()
214 	mutex_unlock(&dst->buf_mutex);  in vp702x_set_pid()
236 	mutex_lock(&dst->buf_mutex);  in vp702x_init_pid_filter()
242 	mutex_unlock(&dst->buf_mutex);  in vp702x_init_pid_filter()
299 	mutex_lock(&st->buf_mutex);  in vp702x_read_mac_addr()
305 	mutex_unlock(&st->buf_mutex);  in vp702x_read_mac_addr()
352 	mutex_init(&st->buf_mutex);  in vp702x_usb_probe()
363 	mutex_lock(&st->buf_mutex);  in vp702x_usb_disconnect()
365 	mutex_unlock(&st->buf_mutex);  in vp702x_usb_disconnect()