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| author | Greg Kroah-Hartman | 2006-08-08 07:19:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2006-09-26 06:08:38 +0200 |
| commit | c205ef4880273d2de4ee5388d4e52227ff688cc4 (patch) | |
| tree | 78e7cde849b9c40fd323b5550a8e64d5d169c55f /drivers/base/core.c | |
| parent | Driver core: add device_rename function (diff) | |
| download | kernel-qcow2-linux-c205ef4880273d2de4ee5388d4e52227ff688cc4.tar.gz kernel-qcow2-linux-c205ef4880273d2de4ee5388d4e52227ff688cc4.tar.xz kernel-qcow2-linux-c205ef4880273d2de4ee5388d4e52227ff688cc4.zip | |
Driver core: create devices/virtual/ tree
This change creates a devices/virtual/CLASS_NAME tree for struct devices
that belong to a class, yet do not have a "real" struct device for a
parent. It automatically creates the directories on the fly as needed.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 0db47561331e..e21a65fc043e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -378,6 +378,13 @@ int device_add(struct device *dev) if (!dev || !strlen(dev->bus_id)) goto Error; + /* if this is a class device, and has no parent, create one */ + if ((dev->class) && (dev->parent == NULL)) { + error = virtual_device_parent(dev); + if (error) + goto Error; + } + parent = get_device(dev->parent); pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id); |