@@ -11,6 +11,7 @@
// with code, comments and ideas from :-
// Richard Purdie <richard@openedhand.com>
+#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -727,14 +728,14 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
struct soc_bytes *params = (void *)kcontrol->private_value;
int ret, len;
unsigned int val, mask;
- void *data;
if (!component->regmap || !params->num_regs)
return -EINVAL;
len = params->num_regs * component->val_bytes;
- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
+ void *data __free(kfree) = kmemdup(ucontrol->value.bytes.data, len,
+ GFP_KERNEL | GFP_DMA);
if (!data)
return -ENOMEM;
@@ -746,7 +747,7 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
if (params->mask) {
ret = regmap_read(component->regmap, params->base, &val);
if (ret != 0)
- goto out;
+ return ret;
val &= params->mask;
@@ -760,14 +761,14 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
ret = regmap_parse_val(component->regmap,
&mask, &mask);
if (ret != 0)
- goto out;
+ return ret;
((u16 *)data)[0] &= mask;
ret = regmap_parse_val(component->regmap,
&val, &val);
if (ret != 0)
- goto out;
+ return ret;
((u16 *)data)[0] |= val;
break;
@@ -776,30 +777,23 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
ret = regmap_parse_val(component->regmap,
&mask, &mask);
if (ret != 0)
- goto out;
+ return ret;
((u32 *)data)[0] &= mask;
ret = regmap_parse_val(component->regmap,
&val, &val);
if (ret != 0)
- goto out;
+ return ret;
((u32 *)data)[0] |= val;
break;
default:
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
}
- ret = regmap_raw_write(component->regmap, params->base,
- data, len);
-
-out:
- kfree(data);
-
- return ret;
+ return regmap_raw_write(component->regmap, params->base, data, len);
}
EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
Allocate the memory with scoped/cleanup.h to reduce error handling (less error paths) and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- sound/soc/soc-ops.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-)