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ASoC: tlv320aic31xx: Fix off by one error in the loop stucture. 

Fix off by one read beyond the end of a table.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Jyri Sarha 2014-11-24 20:37:12 +02:00 committed by Mark Brown
parent f114040e3e
commit bbc686b346
1 changed files with 7 additions and 6 deletions
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13
sound/soc/codecs/tlv320aic31xx.c
View File

@ -911,12 +911,13 @@ static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
}
aic31xx->p_div = i;
for (i = 0; aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++) {
if (i == ARRAY_SIZE(aic31xx_divs)) {
dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
__func__, freq);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(aic31xx_divs) &&
aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++)
;
if (i == ARRAY_SIZE(aic31xx_divs)) {
dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
__func__, freq);
return -EINVAL;
}
/* set clock on MCLK, BCLK, or GPIO1 as PLL input */