linux-kernel - [PATCH 2/6] perf dwarf: Use ARRAY

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Message-Id: <20170901212907.5662-2-thomas@m3y3r.de>
Date:   Fri,  1 Sep 2017 23:29:03 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Meyer <thomas@...3r.de>
Subject: [PATCH 2/6] perf dwarf: Use ARRAY_SIZE macro

Found by a coccinelle run with:
make coccicheck MODE=patch COCCI=scripts/coccinelle/misc/array_size.cocci

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---
 tools/perf/arch/x86/util/dwarf-regs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c
index 1f86ee8fb831..d9d4626b0fa9 100644
--- a/tools/perf/arch/x86/util/dwarf-regs.c
+++ b/tools/perf/arch/x86/util/dwarf-regs.c
@@ -103,7 +103,7 @@ static const struct pt_regs_offset x86_64_regoffset_table[] = {
 #endif
 
 /* Minus 1 for the ending REG_OFFSET_END */
-#define ARCH_MAX_REGS ((sizeof(regoffset_table) / sizeof(regoffset_table[0])) - 1)
+#define ARCH_MAX_REGS (ARRAY_SIZE(regoffset_table) - 1)
 
 /* Return architecture dependent register string (for kprobe-tracer) */
 const char *get_arch_regstr(unsigned int n)
-- 
2.11.0