Messages in this thread Patch in this message | | | From | Mathieu Malaterre <> | Subject | [PATCH v3 03/19] powerpc: Move `path` variable inside DEBUG_PROM | Date | Wed, 4 Apr 2018 22:08:35 +0200 |
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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 ‘path’ 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> --- v3: really move path within ifdef DEBUG_PROM v2: move path within ifdef DEBUG_PROM
arch/powerpc/kernel/prom_init.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index acf4b2e0530c..223b35acbbdd 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 +1385,10 @@ static void __init reserve_mem(u64 base, u64 size) static void __init prom_init_mem(void) { phandle node; - char *path, type[64]; +#ifdef DEBUG_PROM + char *path; +#endif + char type[64]; unsigned int plen; cell_t *p, *endp; __be32 val; @@ -1406,7 +1409,9 @@ static void __init prom_init_mem(void) prom_debug("root_size_cells: %x\n", rsc); prom_debug("scanning memory:\n"); +#ifdef DEBUG_PROM path = prom_scratch; +#endif for (node = 0; prom_next_node(&node); ) { type[0] = 0; -- 2.11.0
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