| commit | 931f27c6e892fdfe98896055e0df7962e21969d9 | [log] [tgz] |
|---|---|---|
| author | Xiubo Li <Li.Xiubo@freescale.com> | Fri Feb 28 10:48:19 2014 +0800 |
| committer | Mark Brown <broonie@linaro.org> | Tue Mar 04 12:32:19 2014 +0800 |
| tree | 0c655c9d5a9f7966560b53ce78427affff51071e | |
| parent | 939d9f16994166156fa3d6dfece9c46b92e368e0 [diff] |
ASoC: cache: Do the codec->reg_cache zero pionter check For the snd_soc_cache_init(), the reg_size maybe zero and then the value of codec->reg_cache, which is alloced via kzalloc, maybe equal to ZERO_SIZE_PTR. If the reg parameter of snd_soc_cache_write() is large enough, the cache[idx] = val maybe cause the kernel crash... So this patch fix this via doing the zero pionter check of it. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>