From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757265Ab0JVOc0 (ORCPT ); Fri, 22 Oct 2010 10:32:26 -0400 Received: from mail-pv0-f174.google.com ([74.125.83.174]:58075 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757212Ab0JVOcZ (ORCPT ); Fri, 22 Oct 2010 10:32:25 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:mime-version :content-type:content-transfer-encoding; b=HsofgritZR8OkfUU1eBCfy/wTd9cfksnx0HIHpTg3MZhvsyMrU+NUeyRKfdI2EWc/z ZdeZqywUj+HHr+stOml7or39CDFBvJ0G+nHGfWhebxMMhKN9I34aY17zsNABetm4Ine7 7wj6ks9y7AGTx0mmF45fI0iTBS8wD8FIY8h8Q= From: Namhyung Kim To: Michal Marek Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] kbuild: check return value of asprintf() Date: Fri, 22 Oct 2010 23:32:10 +0900 Message-Id: <1287757930-2766-1-git-send-email-namhyung@gmail.com> X-Mailer: git-send-email 1.7.0.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check return value of asprintf() in docsect() and exit if error occurs. This removes following warning: HOSTCC scripts/basic/docproc scripts/basic/docproc.c: In function ‘docsect’: scripts/basic/docproc.c:336: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result Signed-off-by: Namhyung Kim --- The patch is on top of v2.6.36, thanks. scripts/basic/docproc.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c index fc3b18d..98dec87 100644 --- a/scripts/basic/docproc.c +++ b/scripts/basic/docproc.c @@ -333,7 +333,10 @@ static void docsect(char *filename, char *line) if (*s == '\n') *s = '\0'; - asprintf(&s, "DOC: %s", line); + if (asprintf(&s, "DOC: %s", line) < 0) { + perror("asprintf"); + exit(1); + } consume_symbol(s); free(s); -- 1.7.0.4