ASoC: wm8962: Fix null pointer pdata access in I2C probe()

When using DT binding to pass private data, there would be Kernel panic
occuring due to NULL pointer access in wm8962_i2c_probe(). Thus fix it.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 2bf9ee7c5407..7dd79c4efc13 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3616,28 +3616,28 @@ static int wm8962_i2c_probe(struct i2c_client *i2c,
                            0);
 
         /* Apply static configuration for GPIOs */
-        for (i = 0; i < ARRAY_SIZE(pdata->gpio_init); i++)
-                if (pdata->gpio_init[i]) {
+        for (i = 0; i < ARRAY_SIZE(wm8962->pdata.gpio_init); i++)
+                if (wm8962->pdata.gpio_init[i]) {
                         wm8962_set_gpio_mode(wm8962, i + 1);
                         regmap_write(wm8962->regmap, 0x200 + i,
-                                     pdata->gpio_init[i] & 0xffff);
+                                     wm8962->pdata.gpio_init[i] & 0xffff);
                 }
 
 
         /* Put the speakers into mono mode? */
-        if (pdata->spk_mono)
+        if (wm8962->pdata.spk_mono)
                 regmap_update_bits(wm8962->regmap, WM8962_CLASS_D_CONTROL_2,
                                    WM8962_SPK_MONO_MASK, WM8962_SPK_MONO);
 
         /* Micbias setup, detection enable and detection
          * threasholds. */
-        if (pdata->mic_cfg)
+        if (wm8962->pdata.mic_cfg)
                 regmap_update_bits(wm8962->regmap, WM8962_ADDITIONAL_CONTROL_4,
                                    WM8962_MICDET_ENA |
                                    WM8962_MICDET_THR_MASK |
                                    WM8962_MICSHORT_THR_MASK |
                                    WM8962_MICBIAS_LVL,
-                                   pdata->mic_cfg);
+                                   wm8962->pdata.mic_cfg);
 
         /* Latch volume update bits */
         regmap_update_bits(wm8962->regmap, WM8962_LEFT_INPUT_VOLUME,
@@ -3682,7 +3682,7 @@ static int wm8962_i2c_probe(struct i2c_client *i2c,
         }
 
         if (wm8962->irq) {
-                if (pdata->irq_active_low) {
+                if (wm8962->pdata.irq_active_low) {
                         trigger = IRQF_TRIGGER_LOW;
                         irq_pol = WM8962_IRQ_POL;
                 } else {