Commit df2e2682 authored Jul 16, 2015 by Lars-Peter Clausen Committed by Mark Brown Jul 16, 2015

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>

parent 7d9fb377

sound/soc/codecs/max9877.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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);