ASoC: zx296702-i2s: Fix resource leak when unload module
Use devm_* API to fix leaks in current code.
1. Use devm_kzalloc to fix memory leak for zx_i2s when unload the module.
2. Use devm_snd_soc_register_component to ensure component is unregistered
when unload the module.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/zte/zx296702-i2s.c b/sound/soc/zte/zx296702-i2s.c
index 98d96e1..f4b681d 100644
--- a/sound/soc/zte/zx296702-i2s.c
+++ b/sound/soc/zte/zx296702-i2s.c
@@ -380,7 +380,7 @@
struct zx_i2s_info *zx_i2s;
int ret;
- zx_i2s = kzalloc(sizeof(*zx_i2s), GFP_KERNEL);
+ zx_i2s = devm_kzalloc(&pdev->dev, sizeof(*zx_i2s), GFP_KERNEL);
if (!zx_i2s)
return -ENOMEM;
@@ -401,8 +401,8 @@
writel_relaxed(0, zx_i2s->reg_base + ZX_I2S_FIFO_CTRL);
platform_set_drvdata(pdev, zx_i2s);
- ret = snd_soc_register_component(&pdev->dev, &zx_i2s_component,
- &zx_i2s_dai, 1);
+ ret = devm_snd_soc_register_component(&pdev->dev, &zx_i2s_component,
+ &zx_i2s_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Register DAI failed: %d\n", ret);
return ret;