driver core: don't trigger uevent after failure

Do not send the uevent if driver_add_groups failed.

Reported-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 1b500d6fcc2e..974e301a1ef0 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -185,9 +185,10 @@ int driver_register(struct device_driver *drv)
         if (ret)
                 return ret;
         ret = driver_add_groups(drv, drv->groups);
-        if (ret)
+        if (ret) {
                 bus_remove_driver(drv);
-
+                return ret;
+        }
         kobject_uevent(&drv->p->kobj, KOBJ_ADD);
 
         return ret;