From: Cornelia Huck Date: Wed, 27 Feb 2008 14:38:23 +0000 (+0100) Subject: Driver core: Fix cleanup when failing device_add(). X-Git-Tag: v2.6.25-rc4~5^2~1 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=c1fe539a7e031302af1d121163e7ce68e679ba8c;p=linux-2.6-omap-h63xx.git Driver core: Fix cleanup when failing device_add(). Driver core: Fix cleanup when failing device_add(). - Don't call cleanup_device_parent() if we didn't call setup_parent(). - dev->kobj.parent may be NULL when cleanup_device_parent() is called, so we need to handle glue_dir == NULL in cleanup_glue_dir(). Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/base/core.c b/drivers/base/core.c index 7f59c2f2ebc..7de543d1d0b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -621,7 +621,8 @@ static struct kobject *get_device_parent(struct device *dev, static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) { /* see if we live in a "glue" directory */ - if (!dev->class || glue_dir->kset != &dev->class->class_dirs) + if (!glue_dir || !dev->class || + glue_dir->kset != &dev->class->class_dirs) return; kobject_put(glue_dir); @@ -773,7 +774,7 @@ int device_add(struct device *dev) dev = get_device(dev); if (!dev || !strlen(dev->bus_id)) { error = -EINVAL; - goto Error; + goto Done; } pr_debug("device: '%s': %s\n", dev->bus_id, __FUNCTION__);