--- zzzz-none-000/linux-3.10.107/drivers/mfd/pcf50633-adc.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mfd/pcf50633-adc.c	2021-02-04 17:41:59.000000000 +0000
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/completion.h>
@@ -203,7 +202,7 @@
 {
 	struct pcf50633_adc *adc;
 
-	adc = kzalloc(sizeof(*adc), GFP_KERNEL);
+	adc = devm_kzalloc(&pdev->dev, sizeof(*adc), GFP_KERNEL);
 	if (!adc)
 		return -ENOMEM;
 
@@ -236,7 +235,6 @@
 		kfree(adc->queue[i]);
 
 	mutex_unlock(&adc->queue_mutex);
-	kfree(adc);
 
 	return 0;
 }