1 files changed, 14 insertions, 3 deletions

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index f17e3ea041c0..ed5de58c340f 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -295,11 +295,22 @@ static int memory_block_change_state(struct memory_block *mem,
 
         ret = memory_block_action(mem->start_section_nr, to_state);
 
-        if (ret)
+        if (ret) {
                 mem->state = from_state_req;
-        else
-                mem->state = to_state;
+                goto out;
+        }
 
+        mem->state = to_state;
+        switch (mem->state) {
+        case MEM_OFFLINE:
+                kobject_uevent(&mem->dev.kobj, KOBJ_OFFLINE);
+                break;
+        case MEM_ONLINE:
+                kobject_uevent(&mem->dev.kobj, KOBJ_ONLINE);
+                break;
+        default:
+                break;
+        }
 out:
         mutex_unlock(&mem->state_mutex);
         return ret;