Re: [PATCH] base: soc: Handle custom soc information sysfs entries

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On 2019-10-03 16:22, Stephen Boyd wrote:
Quoting Murali Nalajala (2019-10-02 17:06:14)
@@ -121,6 +118,7 @@ static void soc_release(struct device *dev)
struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr)
 {
        struct soc_device *soc_dev;
+       const struct attribute_group **soc_attr_groups = NULL;

Don't initialize this to NULL because it is only tested after it's been
unconditionally assigned to the result of the allocation.
Done

        int ret;

        if (!soc_bus_type.p) {
@@ -136,10 +134,20 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr
                goto out1;
        }

+       soc_attr_groups = kzalloc(sizeof(*soc_attr_groups) *

Please use kcalloc() instead and drop the define for NUM_ATTR_GROUPS
because it's used once.

done
+ NUM_ATTR_GROUPS, GFP_KERNEL);
+       if (!soc_attr_groups) {
+               ret = -ENOMEM;
+               goto out2;
+       }
+       soc_attr_groups[0] = &soc_attr_group;
+       soc_attr_groups[1] = soc_dev_attr->custom_attr_group;
+       soc_attr_groups[2] = NULL;

Drop this assignment to NULL because kzalloc() and kcalloc() zero out
the memory anyway.
done



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