Return-path: Received: from www.piware.de ([213.9.93.70]:48590 "EHLO www.piware.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965067Ab3DJQk3 (ORCPT ); Wed, 10 Apr 2013 12:40:29 -0400 Date: Wed, 10 Apr 2013 18:40:27 +0200 From: Martin Pitt To: "John W. Linville" , linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Johannes Berg Subject: mac80211_hwsim: Check return value of driver_register Message-ID: <20130410164027.GB2884@piware.de> (sfid-20130410_184052_552693_79BF65CB) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: If driver_register() fails, properly exit with the same error code. Signed-off-by: Martin Pitt --- drivers/net/wireless/mac80211_hwsim.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 57361c3..a2224b7 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2183,7 +2183,12 @@ static int __init init_mac80211_hwsim(void) if (IS_ERR(hwsim_class)) return PTR_ERR(hwsim_class); - driver_register(&mac80211_hwsim_driver); + err = driver_register(&mac80211_hwsim_driver); + if (err != 0) { + printk(KERN_DEBUG + "mac80211_hwsim: driver_register failed (%d)\n", err); + return err; + } memset(addr, 0, ETH_ALEN); addr[0] = 0x02; -- 1.7.2.5 -- Martin Pitt | http://www.piware.de Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)