From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754102AbbDHLW3 (ORCPT ); Wed, 8 Apr 2015 07:22:29 -0400 Received: from mail-pd0-f173.google.com ([209.85.192.173]:33609 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754042AbbDHLWP (ORCPT ); Wed, 8 Apr 2015 07:22:15 -0400 From: Sudip Mukherjee To: Arnd Bergmann , Greg Kroah-Hartman , Jean Delvare , Wolfram Sang , Rodolfo Giometti , "James E.J. Bottomley" , Mark Brown , Willy Tarreau , Jaroslav Kysela , Takashi Iwai Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-spi@vger.kernel.org, devel@driverdev.osuosl.org, alsa-devel@alsa-project.org, Sudip Mukherjee Subject: [PATCH 12/14] i2c-parport: return proper error values from attach Date: Wed, 8 Apr 2015 16:50:38 +0530 Message-Id: <1428492040-5581-13-git-send-email-sudipm.mukherjee@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1428492040-5581-1-git-send-email-sudipm.mukherjee@gmail.com> References: <1428492040-5581-1-git-send-email-sudipm.mukherjee@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org now that we are monitoring the return value from attach, make the required changes to return proper value from its attach function. Signed-off-by: Sudip Mukherjee --- drivers/i2c/busses/i2c-parport.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index a1fac5a..761a775 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -160,14 +160,14 @@ static void i2c_parport_irq(void *data) "SMBus alert received but no ARA client!\n"); } -static void i2c_parport_attach(struct parport *port) +static int i2c_parport_attach(struct parport *port) { struct i2c_par *adapter; adapter = kzalloc(sizeof(struct i2c_par), GFP_KERNEL); if (adapter == NULL) { printk(KERN_ERR "i2c-parport: Failed to kzalloc\n"); - return; + return -ENOMEM; } pr_debug("i2c-parport: attaching to %s\n", port->name); @@ -230,13 +230,14 @@ static void i2c_parport_attach(struct parport *port) mutex_lock(&adapter_list_lock); list_add_tail(&adapter->node, &adapter_list); mutex_unlock(&adapter_list_lock); - return; + return 0; err_unregister: parport_release(adapter->pdev); parport_unregister_device(adapter->pdev); err_free: kfree(adapter); + return -ENODEV; } static void i2c_parport_detach(struct parport *port) -- 1.8.1.2