greybus: connection: fix up error patch logic in gb_connection_create()

Once you have called device_initialize() you have to call put_device()
on the structure to clean it up on an error path, otherwise you will
leak memory.

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c
index dac47b3..c4b6505 100644 (file)
--- a/drivers/staging/greybus/connection.c
+++ b/drivers/staging/greybus/connection.c
@@ -169,9 +169,8 @@ struct gb_connection *gb_connection_create(struct gb_interface *interface,
        }
 
        hd = interface->gmod->hd;
-       connection->hd = hd;                    /* XXX refcount? */
+       connection->hd = hd;
        if (!gb_connection_hd_cport_id_alloc(connection)) {
-               /* kref_put(connection->hd); */
                gb_protocol_put(connection);
                kfree(connection);
                return NULL;
@@ -193,9 +192,8 @@ struct gb_connection *gb_connection_create(struct gb_interface *interface,
        retval = device_add(&connection->dev);
        if (retval) {
                gb_connection_hd_cport_id_free(connection);
-               /* kref_put(connection->hd); */
                gb_protocol_put(connection);
-               kfree(connection);
+               put_device(&connection->dev);
                return NULL;
        }