linux-kernel - [PATCH 2/2] MIPS: math-emu: Declare ys variable as possibly unused

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Message-Id: <20171226104554.19612-2-malat@debian.org>
Date:   Tue, 26 Dec 2017 11:45:51 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Aleksandar Markovic <aleksandar.markovic@...s.com>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Miodrag Dinic <miodrag.dinic@...s.com>,
        Goran Ferenc <goran.ferenc@...tec.com>,
        James Hogan <jhogan@...nel.org>,
        Douglas Leung <douglas.leung@...tec.com>,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] MIPS: math-emu: Declare ys variable as possibly unused

Fix non-fatal warning:

arch/mips/math-emu/sp_fdp.c: In function ‘ieee754sp_fdp’:
arch/mips/math-emu/ieee754int.h:60:31: warning: variable ‘ys’ set but not used [-Wunused-but-set-variable]
  unsigned int ym; int ye; int ys; int yc
                               ^
arch/mips/math-emu/sp_fdp.c:37:2: note: in expansion of macro ‘COMPYSP’
  COMPYSP;
  ^~~~~~~

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 arch/mips/math-emu/ieee754int.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index 06ac0e2ac7ac..cb8f04cd24bf 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -57,7 +57,7 @@ static inline int ieee754_class_nan(int xc)
 	unsigned int xm; int xe; int xs __maybe_unused; int xc
 
 #define COMPYSP \
-	unsigned int ym; int ye; int ys; int yc
+	unsigned int ym; int ye; int ys __maybe_unused; int yc
 
 #define COMPZSP \
 	unsigned int zm; int ze; int zs; int zc
-- 
2.11.0