From a306eea40952e6365301e8a2f7d5ffa9c6a1921b Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 22 Sep 2006 11:37:13 +0200 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 10 +++++++--- 1 file 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); -- 2.20.1