[ALSA] soc - Clean up with kmemdup()

Clean up by replacing with kmemdup().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

3 files changed, 8 insertions, 25 deletions

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index e6b990507df2..7ca0b5268289 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -543,14 +543,10 @@ static int wm8731_init(struct snd_soc_device *socdev)
         codec->dapm_event = wm8731_dapm_event;
         codec->dai = &wm8731_dai;
         codec->num_dai = 1;
-        codec->reg_cache_size = ARRAY_SIZE(wm8731_reg);
-        codec->reg_cache =
-                        kzalloc(sizeof(u16) * ARRAY_SIZE(wm8731_reg), GFP_KERNEL);
+        codec->reg_cache_size = sizeof(wm8731_reg);
+        codec->reg_cache = kmemdup(wm8731_reg, sizeof(wm8731_reg), GFP_KERNEL);
         if (codec->reg_cache == NULL)
                 return -ENOMEM;
-        memcpy(codec->reg_cache,
-                wm8731_reg, sizeof(u16) * ARRAY_SIZE(wm8731_reg));
-        codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8731_reg);
 
         wm8731_reset(codec);
 
@@ -627,12 +623,11 @@ static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr = addr;
 
-        i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
         if (i2c == NULL) {
                 kfree(codec);
                 return -ENOMEM;
         }
-        memcpy(i2c, &client_template, sizeof(struct i2c_client));
         i2c_set_clientdata(i2c, codec);
         codec->control_data = i2c;
 
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index c1ffb61ef7f7..7073e8e294fc 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -807,15 +807,10 @@ static int wm8750_init(struct snd_soc_device *socdev)
         codec->dapm_event = wm8750_dapm_event;
         codec->dai = &wm8750_dai;
         codec->num_dai = 1;
-        codec->reg_cache_size = ARRAY_SIZE(wm8750_reg);
-
-        codec->reg_cache =
-                        kzalloc(sizeof(u16) * ARRAY_SIZE(wm8750_reg), GFP_KERNEL);
+        codec->reg_cache_size = sizeof(wm8750_reg);
+        codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KRENEL);
         if (codec->reg_cache == NULL)
                 return -ENOMEM;
-        memcpy(codec->reg_cache, wm8750_reg,
-                sizeof(u16) * ARRAY_SIZE(wm8750_reg));
-        codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8750_reg);
 
         wm8750_reset(codec);
 
@@ -900,12 +895,11 @@ static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind)
         client_template.adapter = adap;
         client_template.addr = addr;
 
-        i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
         if (i2c == NULL) {
                 kfree(codec);
                 return -ENOMEM;
         }
-        memcpy(i2c, &client_template, sizeof(struct i2c_client));
         i2c_set_clientdata(i2c, codec);
         codec->control_data = i2c;
 
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d0162a4cb7fd..7caf8c7b0ac5 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -87,16 +87,10 @@ module_param(dapm_status, int, 0);
 MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries");
 
 /* create a new dapm widget */
-static struct snd_soc_dapm_widget *dapm_cnew_widget(
+static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
         const struct snd_soc_dapm_widget *_widget)
 {
-        struct snd_soc_dapm_widget* widget;
-        widget = kmalloc(sizeof(struct snd_soc_dapm_widget), GFP_KERNEL);
-        if (!widget)
-                return NULL;
-
-        memcpy(widget, _widget, sizeof(struct snd_soc_dapm_widget));
-        return widget;
+        return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
 }
 
 /* set up initial codec paths */