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authorMathieu Malaterre <malat@debian.org>2018-04-04 22:07:46 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-05-25 12:04:40 +1000
commit5a4b475cf8511da721f20ba432c244061db7139f (patch)
tree933bc7a6b65645fe6de208501f5b250cdf74ae7e
parentf0e0b86638e9df6731b1d61c71ae180224664107 (diff)
downloadlinux-5a4b475cf8511da721f20ba432c244061db7139f.tar.gz
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]

Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/platforms/powermac/bootx_init.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index c3c9bbb3573a..ba0964c17620 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;
 	char *model;
 	unsigned long offset = reloc_offset();
 
@@ -562,6 +562,8 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 	 * MMU switched OFF, so this should not be useful anymore.
 	 */
 	if (bi->version < 4) {
+		unsigned long x __maybe_unused;
+
 		bootx_printf("Touching pages...\n");
 
 		/*