Merge "FROMLIST: iommu/arm-smmu-qcom: NULL pointer check for driver data"

drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c

@@ -431,6 +431,8 @@ static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
 	 */
 
 	priv = dev_get_drvdata(dev);
+	if (!priv)
+		return -ENODATA;
 	priv->cookie = smmu_domain;
 	priv->get_ttbr1_cfg = qcom_adreno_smmu_get_ttbr1_cfg;
 	priv->set_ttbr0_cfg = qcom_adreno_smmu_set_ttbr0_cfg;