linux-kernel - [PATCH 1/3] kcov: remove #ifdef CONFIG_RANDOMIZE

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Date:   Tue, 19 Sep 2017 15:46:46 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     akpm@...ux-foundation.org,
        Andrey Konovalov <andreyknvl@...gle.com>, tchibo@...gle.com,
        syzkaller@...glegroups.com, Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org,
        Andrey Ryabinin <aryabinin@...tuozzo.com>
Subject: [PATCH 1/3] kcov: remove #ifdef CONFIG_RANDOMIZE_BASE

There is no need to surround kaslr_offset() with CONFIG_RANDOMIZE_BASE ifdef.
kaslr_offset() will just return 0 if CONFIG_RANDOMIZE_BASE isn't set.

Signed-off-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
---
 kernel/kcov.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/kcov.c b/kernel/kcov.c
index 3f693a0f6f3e..2f0e7a7c7afc 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -69,9 +69,7 @@ void notrace __sanitizer_cov_trace_pc(void)
 		unsigned long pos;
 		unsigned long ip = _RET_IP_;
 
-#ifdef CONFIG_RANDOMIZE_BASE
 		ip -= kaslr_offset();
-#endif
 
 		/*
 		 * There is some code that runs in interrupts but for which
-- 
2.13.5