mfd: intel_soc_pmic: Add missing error check for devm_kzalloc

This patch add a missing check on the return value of devm_kzalloc,
which would cause a NULL pointer dereference in a OOM situation.

Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
index df7b0642a5b4..80cef048b904 100644
--- a/drivers/mfd/intel_soc_pmic_core.c
+++ b/drivers/mfd/intel_soc_pmic_core.c
@@ -64,6 +64,9 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c,
         config = (struct intel_soc_pmic_config *)id->driver_data;
 
         pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL);
+        if (!pmic)
+                return -ENOMEM;
+
         dev_set_drvdata(dev, pmic);
 
         pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config);