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ASoC: rt286: Fix run time error while modifying const data

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Make a copy of memory for index_cache rather than directly use the
rt286_index_def to avoid run time error.

Fixes: c418a84a8c ("ASoC: Constify reg_default tables")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2015-10-05 21:22:40 +08:00 committed by Mark Brown
parent 6ff33f3902
commit dc6d84c69c
1 changed files with 6 additions and 2 deletions
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8
sound/soc/codecs/rt286.c
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@ -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);