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ASoC: max9877: Make driver global regmap struct local

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Use a stack local variable to handle function local state rather than a
global static variable. The later has a potential for race conditions if
the probe function runs for two devices concurrently.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2015-07-16 21:22:49 +02:00 committed by Mark Brown
parent 7d9fb377a7
commit df2e268226
1 changed files with 1 additions and 2 deletions
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3
sound/soc/codecs/max9877.c
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@ -20,8 +20,6 @@
#include "max9877.h"
static struct regmap *regmap;
static const struct reg_default max9877_regs[] = {
{ 0, 0x40 },
{ 1, 0x00 },
@ -145,6 +143,7 @@ static const struct regmap_config max9877_regmap = {
static int max9877_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regmap *regmap;
int i;
regmap = devm_regmap_init_i2c(client, &max9877_regmap);