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Subject[PATCH 6/36] CONFIG_SYSFS_DEPRECATED - bus symlinks
Date
From: Kay Sievers <kay.sievers@vrfy.org>

Turn off the bus symlinks if CONFIG_SYSFS_DEPRECATED is enabled

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/base/bus.c | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index ed3e8a2..472810f 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -355,6 +355,21 @@ static void device_remove_attrs(struct b
}
}

+#ifdef CONFIG_SYSFS_DEPRECATED
+static int make_deprecated_bus_links(struct device *dev)
+{
+ return sysfs_create_link(&dev->kobj,
+ &dev->bus->subsys.kset.kobj, "bus");
+}
+
+static void remove_deprecated_bus_links(struct device *dev)
+{
+ sysfs_remove_link(&dev->kobj, "bus");
+}
+#else
+static inline int make_deprecated_bus_links(struct device *dev) { return 0; }
+static inline void remove_deprecated_bus_links(struct device *dev) { }
+#endif

/**
* bus_add_device - add device to bus
@@ -381,8 +396,7 @@ int bus_add_device(struct device * dev)
&dev->bus->subsys.kset.kobj, "subsystem");
if (error)
goto out_subsys;
- error = sysfs_create_link(&dev->kobj,
- &dev->bus->subsys.kset.kobj, "bus");
+ error = make_deprecated_bus_links(dev);
if (error)
goto out_deprecated;
}
@@ -436,7 +450,7 @@ void bus_remove_device(struct device * d
{
if (dev->bus) {
sysfs_remove_link(&dev->kobj, "subsystem");
- sysfs_remove_link(&dev->kobj, "bus");
+ remove_deprecated_bus_links(dev);
sysfs_remove_link(&dev->bus->devices.kobj, dev->bus_id);
device_remove_attrs(dev->bus, dev);
if (dev->is_registered) {
--
1.4.4.1
-
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