Messages in this thread Patch in this message | | | Date | Wed, 13 Sep 2006 18:38:54 +0200 | From | Cornelia Huck <> | Subject | [08/12] driver core fixes: device_add() cleanup on error |
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From: Cornelia Huck <cornelia.huck@de.ibm.com>
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>
core.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
--- linux-2.6.18-rc6/drivers/base/core.c 2006-09-12 16:19:43.000000000 +0200 +++ linux-2.6.18-rc6+CH/drivers/base/core.c 2006-09-12 18:27:55.000000000 +0200 @@ -406,14 +406,16 @@ 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; @@ -423,7 +425,7 @@ int device_add(struct device *dev) error = device_create_file(dev, attr); if (error) { kfree(attr); - goto attrError; + goto ueventattrError; } dev->devt_attr = attr; @@ -479,6 +481,8 @@ 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); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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