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path: root/drivers/base/core.c
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Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8aa090da1cd..b78fc1e6826 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -252,7 +252,7 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
struct kobject *top_kobj;
struct kset *kset;
char *envp[32];
- char data[PAGE_SIZE];
+ char *data = NULL;
char *pos;
int i;
size_t count = 0;
@@ -276,6 +276,10 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
if (!kset->uevent_ops->filter(kset, &dev->kobj))
goto out;
+ data = (char *)get_zeroed_page(GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
/* let the kset specific function add its keys */
pos = data;
retval = kset->uevent_ops->uevent(kset, &dev->kobj,
@@ -290,6 +294,7 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
count += sprintf(pos, "%s\n", envp[i]);
}
out:
+ free_page((unsigned long)data);
return count;
}
@@ -560,7 +565,7 @@ static struct kobject * get_device_parent(struct device *dev,
/* Set the parent to the class, not the parent device */
/* this keeps sysfs from having a symlink to make old udevs happy */
if (dev->class)
- return &dev->class->subsys.kset.kobj;
+ return &dev->class->subsys.kobj;
else if (parent)
return &parent->kobj;
@@ -572,7 +577,7 @@ static struct kobject *virtual_device_parent(struct device *dev)
static struct kobject *virtual_dir = NULL;
if (!virtual_dir)
- virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual");
+ virtual_dir = kobject_add_dir(&devices_subsys.kobj, "virtual");
return virtual_dir;
}
@@ -706,12 +711,12 @@ int device_add(struct device *dev)
}
if (dev->class) {
- sysfs_create_link(&dev->kobj, &dev->class->subsys.kset.kobj,
+ sysfs_create_link(&dev->kobj, &dev->class->subsys.kobj,
"subsystem");
/* If this is not a "fake" compatible device, then create the
* symlink from the class to the device. */
- if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
- sysfs_create_link(&dev->class->subsys.kset.kobj,
+ if (dev->kobj.parent != &dev->class->subsys.kobj)
+ sysfs_create_link(&dev->class->subsys.kobj,
&dev->kobj, dev->bus_id);
if (parent) {
sysfs_create_link(&dev->kobj, &dev->parent->kobj,
@@ -769,8 +774,8 @@ int device_add(struct device *dev)
sysfs_remove_link(&dev->kobj, "subsystem");
/* If this is not a "fake" compatible device, remove the
* symlink from the class to the device. */
- if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
- sysfs_remove_link(&dev->class->subsys.kset.kobj,
+ if (dev->kobj.parent != &dev->class->subsys.kobj)
+ sysfs_remove_link(&dev->class->subsys.kobj,
dev->bus_id);
if (parent) {
#ifdef CONFIG_SYSFS_DEPRECATED
@@ -870,8 +875,8 @@ void device_del(struct device * dev)
sysfs_remove_link(&dev->kobj, "subsystem");
/* If this is not a "fake" compatible device, remove the
* symlink from the class to the device. */
- if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
- sysfs_remove_link(&dev->class->subsys.kset.kobj,
+ if (dev->kobj.parent != &dev->class->subsys.kobj)
+ sysfs_remove_link(&dev->class->subsys.kobj,
dev->bus_id);
if (parent) {
#ifdef CONFIG_SYSFS_DEPRECATED
@@ -1187,9 +1192,9 @@ int device_rename(struct device *dev, char *new_name)
#endif
if (dev->class) {
- sysfs_remove_link(&dev->class->subsys.kset.kobj,
+ sysfs_remove_link(&dev->class->subsys.kobj,
old_symlink_name);
- sysfs_create_link(&dev->class->subsys.kset.kobj, &dev->kobj,
+ sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj,
dev->bus_id);
}
put_device(dev);