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ALSA: hda - Read buffer overflow

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Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Roel Kluin 2009-08-02 13:30:45 +02:00 committed by Takashi Iwai
parent 84d3dc200f
commit 4b35d2ca23
1 changed files with 1 additions and 1 deletions
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2
sound/pci/hda/patch_realtek.c
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@ -559,7 +559,7 @@ static int alc_pin_mode_get(struct snd_kcontrol *kcontrol,
/* Find enumerated value for current pinctl setting */
i = alc_pin_mode_min(dir);
while (alc_pin_mode_values[i] != pinctl && i <= alc_pin_mode_max(dir))
while (i <= alc_pin_mode_max(dir) && alc_pin_mode_values[i] != pinctl)
i++;
*valp = i <= alc_pin_mode_max(dir) ? i: alc_pin_mode_min(dir);
return 0;