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由 Takashi Iwai 提交于
In order to make the open/close more robust, widen the register_mutex protection over the whole snd_timer_close() function. Also, the close procedure is slightly shuffled to be in the safer order, as well as a few code refactoring. Signed-off-by: NTakashi Iwai <tiwai@suse.de>9984d1b5