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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2006-09-22 11:37:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-10-18 12:49:55 -0700 |
| commit | a306eea40952e6365301e8a2f7d5ffa9c6a1921b (patch) | |
| tree | 5a5b74ef17286728d9b3d5a1eee4e21c73b6e9e6 /drivers | |
| parent | 513e7337adc32cdfbffecb99953e45a44e812c2d (diff) | |
| download | lwn-a306eea40952e6365301e8a2f7d5ffa9c6a1921b.tar.gz lwn-a306eea40952e6365301e8a2f7d5ffa9c6a1921b.zip | |
driver core fixes: device_add() cleanup on error
Check for return code of device_create_file() and correct cleanup in
the error case in device_add().
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/core.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index aee3743bd4a3..365f709715ef 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -433,14 +433,16 @@ int device_add(struct device *dev) if (dev->driver) dev->uevent_attr.attr.owner = dev->driver->owner; dev->uevent_attr.store = store_uevent; - device_create_file(dev, &dev->uevent_attr); + error = device_create_file(dev, &dev->uevent_attr); + if (error) + goto attrError; if (MAJOR(dev->devt)) { struct device_attribute *attr; attr = kzalloc(sizeof(*attr), GFP_KERNEL); if (!attr) { error = -ENOMEM; - goto PMError; + goto ueventattrError; } attr->attr.name = "dev"; attr->attr.mode = S_IRUGO; @@ -450,7 +452,7 @@ int device_add(struct device *dev) error = device_create_file(dev, attr); if (error) { kfree(attr); - goto attrError; + goto ueventattrError; } dev->devt_attr = attr; @@ -507,6 +509,8 @@ int device_add(struct device *dev) device_remove_file(dev, dev->devt_attr); kfree(dev->devt_attr); } + ueventattrError: + device_remove_file(dev, &dev->uevent_attr); attrError: kobject_uevent(&dev->kobj, KOBJ_REMOVE); kobject_del(&dev->kobj); |