From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756095AbdESSMU (ORCPT ); Fri, 19 May 2017 14:12:20 -0400 Received: from mail-pg0-f48.google.com ([74.125.83.48]:35669 "EHLO mail-pg0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756172AbdESSKy (ORCPT ); Fri, 19 May 2017 14:10:54 -0400 From: Matthias Kaehlcke To: linux-kernel@vger.kernel.org, Andrew Morton Cc: Matthias Kaehlcke Subject: [PATCH v2] zlib: Mark get_unaligned16() as __maybe_unused Date: Fri, 19 May 2017 11:10:16 -0700 Message-Id: <20170519181016.17921-1-mka@chromium.org> X-Mailer: git-send-email 2.13.0.303.g4ebf302169-goog Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function is not used with all configurations. Adding the attribute fixes the following warning when building with clang and CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y: lib/zlib_inflate/inffast.c:31:1: error: unused function 'get_unaligned16' [-Werror,-Wunused-function] get_unaligned16(const unsigned short *p) Signed-off-by: Matthias Kaehlcke --- Changes in v2: - explicitly include where __maybe_unused is defined lib/zlib_inflate/inffast.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/zlib_inflate/inffast.c b/lib/zlib_inflate/inffast.c index 2c13ecc5bb2c..bae26afdc565 100644 --- a/lib/zlib_inflate/inffast.c +++ b/lib/zlib_inflate/inffast.c @@ -3,6 +3,7 @@ * For conditions of distribution and use, see copyright notice in zlib.h */ +#include #include #include "inftrees.h" #include "inflate.h" @@ -27,7 +28,7 @@ union uu { }; /* Endian independed version */ -static inline unsigned short +static inline unsigned short __maybe_unused get_unaligned16(const unsigned short *p) { union uu mm; -- 2.13.0.303.g4ebf302169-goog