Driver-Core: require valid action string in uevent trigger

No longer fall back to "add" and warn, but always require a valid
action-string written to the "uevent" file.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index fb4bc4f5151c..f6c73a9e3d95 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -306,15 +306,10 @@ static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
 {
         enum kobject_action action;
 
-        if (kobject_action_type(buf, count, &action) == 0) {
+        if (kobject_action_type(buf, count, &action) == 0)
                 kobject_uevent(&dev->kobj, action);
-                goto out;
-        }
-
-        dev_err(dev, "uevent: unsupported action-string; this will "
-                     "be ignored in a future kernel version\n");
-        kobject_uevent(&dev->kobj, KOBJ_ADD);
-out:
+        else
+                dev_err(dev, "uevent: unknown action-string\n");
         return count;
 }