linux-kernel - [PATCH 01/19] powerpc/powermac: Mark variable x as unused

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Message-Id: <20180322202007.23088-2-malat@debian.org>
Date:   Thu, 22 Mar 2018 21:19:47 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        kvm-ppc@...r.kernel.org
Subject: [PATCH 01/19] powerpc/powermac: Mark variable x as unused

Since the value of x is never intended to be read, declare it with gcc
attribute as unused. Fix warning treated as error with W=1:

  arch/powerpc/platforms/powermac/bootx_init.c:471:21: error: variable ‘x’ set but not used [-Werror=unused-but-set-variable]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 arch/powerpc/platforms/powermac/bootx_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index c3c9bbb3573a..d3ce55dae78f 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -468,7 +468,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 	boot_infos_t *bi = (boot_infos_t *) r4;
 	unsigned long hdr;
 	unsigned long space;
-	unsigned long ptr, x;
+	unsigned long ptr, x __maybe_unused;
 	char *model;
 	unsigned long offset = reloc_offset();
 
-- 
2.11.0