[PATCH 03/19] powerpc: Mark variables as unused

[Mathieu Malaterre]

Add gcc attribute unused for two variables. Fix warnings treated as errors
with W=1:

  arch/powerpc/kernel/prom_init.c:1388:8: error: variable âpathâ set but not used [-Werror=unused-but-set-variable]

Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>
---
 arch/powerpc/kernel/prom_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index acf4b2e0530c..6a3ac4522144 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -603,7 +603,7 @@ static void __init early_cmdline_parse(void)
 	const char *opt;
 
 	char *p;
-	int l = 0;
+	int l __maybe_unused = 0;
 
 	prom_cmd_line[0] = 0;
 	p = prom_cmd_line;
@@ -1385,7 +1385,7 @@ static void __init reserve_mem(u64 base, u64 size)
 static void __init prom_init_mem(void)
 {
 	phandle node;
-	char *path, type[64];
+	char *path __maybe_unused, type[64];
 	unsigned int plen;
 	cell_t *p, *endp;
 	__be32 val;
-- 
2.11.0