From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754021AbcICMZN (ORCPT ); Sat, 3 Sep 2016 08:25:13 -0400 Received: from mout.web.de ([212.227.15.4]:51626 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753146AbcICMZL (ORCPT ); Sat, 3 Sep 2016 08:25:11 -0400 Subject: [PATCH 09/17] s390/debug: Return directly if a null pointer was passed to debug_unregister() To: linux-s390@vger.kernel.org, David Hildenbrand , Heiko Carstens , Joe Perches , Martin Schwidefsky References: <566ABCD9.1060404@users.sourceforge.net> Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall , Paolo Bonzini From: SF Markus Elfring Message-ID: <9c7f85c9-75db-99fb-88ce-b3e6f01b69db@users.sourceforge.net> Date: Sat, 3 Sep 2016 14:24:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:mzmkk5U+USSoW8f4unN0IaEPlBc3Kp1fE9IU7vgZtWZ5fj2q/QC OCtlAXAdbSbPEfumqP4FMTwl8g867Xaxqkw8XrtgbNzLmdajgPqOtFnXWrhSnJymBBouFu0 pNxTEyo3Su0ow8rGU1J/cgVqXNhudnubYeICHgwLCAB3T8d01k0SiwjwtDEPpKemt6qWX3e bO8Pk7Ug1VS8POb1abuaw== X-UI-Out-Filterresults: notjunk:1;V01:K0:PsBSIn7v6D8=:njacZjHLibRNx7qwiY2l60 Bxvqe9zyp4qyTUqo95ILWZBMM260+NyPA1VH46ACwXVkA8cZdE1lt+JfV4SmWjQ4f384Z4K7x n1Sg/P98v/ApMpH+58MEinCAEvw/AoplaeKXGiRJ3yNG9qSzC41eUTX5K5+OpxXI4AlfPBuZq j3vrWJNgBwrEVQGzPWCk+2qMW2XvzTqoGcjiLqUXW93H7pRihjTXH2eT9/5Uj6JWE4MrE9tsv nXSmZG17n3odhF5MoeCOz81jcvBz7zILyy6rnsF+g/Rs6vov6h0WlbDBOJ26F914/xn+tkoLW EN8ICJtD7qI7RqNu7uph9JzWPpPmoCmYPYO72HjqOJ9dEsr+Bu47YCHn4Ycff2Zbi7FTdybye nW0/ZRf/g+aAuxRNX7Lfu8cSduA2OqnaC1VCKPUh71oN4l81xp2I+l7d7HdNw26AFu0VDAd1E Xvne8KcMysYX1eymhscQExcga4q/heEi4m2GrI+LkkmErCsss86EYs2U+mnh4iFnF9PMVe86+ VRAKlcMDBr//URT6JSiwcBTlE1dukU5pqmThQCGEoB1ELlstEJGmmTK12zD52RI2mJgPpHjYk OLVBI/4/am5PXNW97QLTb8hzVSuwDsK1c4YrqyQSStRdbmnX6QIIka7bTLJyG+deMtbt0kTLQ 9nxoJtfTuXumx/UxsjkiY4tqUExFdQ1w/NAxuBPs3dLjqxp1KX0J7EcfbemCHkDqEBqEyNL4Y +UtMqNphJUH4EjWjRHO9dNPEKRh+WAR6VCCruiM9kpRZxz1sQZBSuFO9yDinSKX2f6AMnVEDR aR+nqvq Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Markus Elfring Date: Thu, 1 Sep 2016 19:34:45 +0200 Return directly at the beginning if a null pointer was passed for the input parameter of this function. Signed-off-by: Markus Elfring --- arch/s390/kernel/debug.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index c4a4641..d137150 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -736,13 +736,10 @@ void debug_unregister(debug_info_t * id) { if (!id) - goto out; + return; mutex_lock(&debug_mutex); debug_info_put(id); mutex_unlock(&debug_mutex); - -out: - return; } EXPORT_SYMBOL(debug_unregister); -- 2.9.3