[PATCH] mfd: intel_soc_pmic: Add missing error check for devm_kzalloc

From: Kiran Padwal
Date: Wed Feb 11 2015 - 05:11:57 EST

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@xxxxxxxxxxxxxxx>
drivers/mfd/intel_soc_pmic_core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
index df7b064..80cef04 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);

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