diff options
Diffstat (limited to 'drivers/base/soc.c')
-rw-r--r-- | drivers/base/soc.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/base/soc.c b/drivers/base/soc.c index 7c0c5ca5953d..4af11a423475 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -104,15 +104,12 @@ static const struct attribute_group soc_attr_group = { .is_visible = soc_attribute_mode, }; -static const struct attribute_group *soc_attr_groups[] = { - &soc_attr_group, - NULL, -}; - static void soc_release(struct device *dev) { struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + ida_simple_remove(&soc_ida, soc_dev->soc_dev_num); + kfree(soc_dev->dev.groups); kfree(soc_dev); } @@ -121,6 +118,7 @@ static struct soc_device_attribute *early_soc_dev_attr; 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; int ret; if (!soc_bus_type.p) { @@ -136,10 +134,18 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr goto out1; } + soc_attr_groups = kcalloc(3, sizeof(*soc_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; + /* Fetch a unique (reclaimable) SOC ID. */ ret = ida_simple_get(&soc_ida, 0, 0, GFP_KERNEL); if (ret < 0) - goto out2; + goto out3; soc_dev->soc_dev_num = ret; soc_dev->attr = soc_dev_attr; @@ -150,15 +156,15 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr dev_set_name(&soc_dev->dev, "soc%d", soc_dev->soc_dev_num); ret = device_register(&soc_dev->dev); - if (ret) - goto out3; + if (ret) { + put_device(&soc_dev->dev); + return ERR_PTR(ret); + } return soc_dev; out3: - ida_simple_remove(&soc_ida, soc_dev->soc_dev_num); - put_device(&soc_dev->dev); - soc_dev = NULL; + kfree(soc_attr_groups); out2: kfree(soc_dev); out1: @@ -169,8 +175,6 @@ EXPORT_SYMBOL_GPL(soc_device_register); /* Ensure soc_dev->attr is freed prior to calling soc_device_unregister. */ void soc_device_unregister(struct soc_device *soc_dev) { - ida_simple_remove(&soc_ida, soc_dev->soc_dev_num); - device_unregister(&soc_dev->dev); early_soc_dev_attr = NULL; } |