drm: encoder_slave: fix refcouting error for modules

module_put() balances try_module_get(), not request_module(). Fix the
error path to match that.

Fixes: 2066fac ("drm/kms: slave encoder interface.")
Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>

Author: Wolfram Sang

drivers/gpu/drm/drm_encoder_slave.c

@@ -84,17 +84,18 @@ int drm_i2c_encoder_init(struct drm_device *dev,
 
 	err = encoder_drv->encoder_init(client, dev, encoder);
 	if (err)
-		goto fail_unregister;
+		goto fail_module_put;
 
 	if (info->platform_data)
 		encoder->slave_funcs->set_config(&encoder->base,
 						 info->platform_data);
 
 	return 0;
 
+fail_module_put:
+	module_put(module);
 fail_unregister:
 	i2c_unregister_device(client);
-	module_put(module);
 fail:
 	return err;
 }