From: Takashi Iwai Subject: ALSA: hda - Limit the number of GPIOs show in proc Patch-mainline: 2.6.28-rc4 References: Limit the number of GPIOs shown in proc. Otherwise it gets too long unnecessarily, and hard to analyze. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_proc.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -485,6 +485,8 @@ static void print_gpio(struct snd_info_b (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0, (gpio & AC_GPIO_WAKE) ? 1 : 0); max = gpio & AC_GPIO_IO_COUNT; + if (!max || max > 8) + return; enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_MASK, 0); direction = snd_hda_codec_read(codec, nid, 0,