X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fbase%2Fcore.c;h=dd40d78a023dd1f2fde9712ac7700d5ade4893cf;hb=2c7afd125cc482dbdf6b0a169c42337e7e76cda5;hp=8aa090da1cd795e305c70d7987be6d005dd93f57;hpb=e0cc09e295f346b7921e921f385fe5213472316a;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8aa090da1cd..dd40d78a023 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -180,10 +180,12 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp,
 			const char *path;
 
 			path = kobject_get_path(&parent->kobj, GFP_KERNEL);
-			add_uevent_var(envp, num_envp, &i,
-				       buffer, buffer_size, &length,
-				       "PHYSDEVPATH=%s", path);
-			kfree(path);
+			if (path) {
+				add_uevent_var(envp, num_envp, &i,
+					       buffer, buffer_size, &length,
+					       "PHYSDEVPATH=%s", path);
+				kfree(path);
+			}
 
 			add_uevent_var(envp, num_envp, &i,
 				       buffer, buffer_size, &length,
@@ -252,7 +254,7 @@ 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 +278,10 @@ 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 +296,7 @@ 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 +567,7 @@ 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 +579,7 @@ 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 +713,12 @@ 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 +776,8 @@ 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 +877,8 @@ 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 +1194,9 @@ 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);