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| author | Axel Lin <axel.lin@ingics.com> | 2015-10-05 15:22:40 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-07 11:46:49 +0200 |
| commit | dc6d84c69cf8296b1e8e2fd0b1e115b7787ef4e9 (patch) | |
| tree | 9f20b4bca656f8104d02ddbb6c67fa4414558751 /sound | |
| parent | Linux 4.3-rc1 (diff) | |
| download | linux-dc6d84c69cf8296b1e8e2fd0b1e115b7787ef4e9.tar.xz linux-dc6d84c69cf8296b1e8e2fd0b1e115b7787ef4e9.zip | |
ASoC: rt286: Fix run time error while modifying const data
Make a copy of memory for index_cache rather than directly use the
rt286_index_def to avoid run time error.
Fixes: c418a84a8c8f ("ASoC: Constify reg_default tables")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/rt286.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index bd9365885f73..2088dfa0612d 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -38,7 +38,7 @@ #define RT288_VENDOR_ID 0x10ec0288 struct rt286_priv { - const struct reg_default *index_cache; + struct reg_default *index_cache; int index_cache_size; struct regmap *regmap; struct snd_soc_codec *codec; @@ -1161,7 +1161,11 @@ static int rt286_i2c_probe(struct i2c_client *i2c, return -ENODEV; } - rt286->index_cache = rt286_index_def; + rt286->index_cache = devm_kmemdup(&i2c->dev, rt286_index_def, + sizeof(rt286_index_def), GFP_KERNEL); + if (!rt286->index_cache) + return -ENOMEM; + rt286->index_cache_size = INDEX_CACHE_SIZE; rt286->i2c = i2c; i2c_set_clientdata(i2c, rt286); |