ALSA: hda - Read buffer overflow

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f6b4cbf1ead0..51c44fdbc0f0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -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;