[CONNECTOR]: Return proper error code in cn_call_callback()

Error code should be set to EINVAL instead of ENODEV if !queue_work().
There's another call of queue_work() which may set err to EINVAL.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 6883fcb..bf9716b 100644 (file)
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -145,6 +145,8 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v
                                if (queue_work(dev->cbdev->cn_queue,
                                                        &__cbq->work))
                                        err = 0;
+                               else
+                                       err = -EINVAL;
                        } else {
                                struct cn_callback_data *d;