[alsa-devel] ASoC: Add max98925 codec driver

anish kumar yesanishhere at gmail.com
Mon Jul 20 17:59:39 CEST 2015


On Mon, Jul 20, 2015 at 4:07 AM, Dan Carpenter <dan.carpenter at oracle.com> wrote:
> On Tue, Mar 17, 2015 at 09:28:43PM +0300, Dan Carpenter wrote:
>> Hello Anish Kumar,
>>
>> The patch 1ff2765182d1: "ASoC: Add max98925 codec driver" from Mar 9,
>> 2015, leads to the following static checker warning:
>>
>>       sound/soc/codecs/max98925.c:274 max98925_rate_value()
>>       error: buffer overflow 'rate_table' 9 <= 9
>>
>> sound/soc/codecs/max98925.c
>>    259  static inline int max98925_rate_value(struct snd_soc_codec *codec,
>>    260                  int rate, int clock, int *value, int *n, int *m)
>>    261  {
>>    262          int ret = -EINVAL;
>>    263          int i;
>>    264
>>    265          for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
>>    266                  if (rate_table[i].rate >= rate) {
>>    267                          *value = rate_table[i].sr;
>>    268                          *n = rate_table[i].divisors[clock][0];
>>    269                          *m = rate_table[i].divisors[clock][1];
>>    270                          ret = 0;
>>    271                          break;
>>    272                  }
>>    273          }
>>    274          dev_dbg(codec->dev, "%s: sample rate is %d, returning %d\n",
>>    275                                  __func__, rate_table[i].rate, *value);
>>                                                   ^^^^^^^^^^^^^^^^^^
>> If we don't break then we're off by one.
>
> I'm going to just delete this because these warnings are annoying and
> debug printks are pointless and if you cared then you would have fixed
> it by now.

Please go ahead.
>
> regards,
> dan carpenter
>


More information about the Alsa-devel mailing list