From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: [PATCH 09/17] s390/debug: Return directly if a null pointer was passed to debug_unregister() References: <566ABCD9.1060404@users.sourceforge.net> From: SF Markus Elfring Message-ID: <9c7f85c9-75db-99fb-88ce-b3e6f01b69db@users.sourceforge.net> Date: Sat, 3 Sep 2016 14:24:57 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-s390@vger.kernel.org, David Hildenbrand , Heiko Carstens , Joe Perches , Martin Schwidefsky Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall , Paolo Bonzini List-ID: 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