diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2015-07-16 22:22:49 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-07-16 23:35:12 +0300 |
| commit | df2e268226e2e3d79980a5dddfd683126f79ddb4 (patch) | |
| tree | b99b8de75e766e5a7e0776a18695d3892fc85cae /sound/soc/codecs/max9877.c | |
| parent | 7d9fb377a747025232fe4e8d17e54ff8032aba27 (diff) | |
| download | linux-df2e268226e2e3d79980a5dddfd683126f79ddb4.tar.xz | |
ASoC: max9877: Make driver global regmap struct local
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>
Diffstat (limited to 'sound/soc/codecs/max9877.c')
| -rw-r--r-- | sound/soc/codecs/max9877.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/soc/codecs/max9877.c b/sound/soc/codecs/max9877.c index e1df06fab756..b469e1c82ea2 100644 --- a/sound/soc/codecs/max9877.c +++ b/sound/soc/codecs/max9877.c @@ -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); |