linux-kernel - [PATCH 07/15] liblockdep: Fix 'defined but not used' warning for init

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Message-ID: <20170518000231.16163-7-alexander.levin@verizon.com>
Date:   Thu, 18 May 2017 00:01:45 +0000
From:   alexander.levin@...izon.com
To:     "mingo@...nel.org" <mingo@...nel.org>
CC:     "ben@...adent.org.uk" <ben@...adent.org.uk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 07/15] liblockdep: Fix 'defined but not used' warning for
 init_utsname()

From: Ben Hutchings <ben@...adent.org.uk>

We define init_utsname() as static but not inline, resulting
in a warning for every source file that includes lockdep.h but
doesn't call it.

Since it is only used by lockdep.c, define it in there.

Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
---
 tools/lib/lockdep/lockdep.c                | 10 ++++++++++
 tools/lib/lockdep/uinclude/linux/lockdep.h | 10 ----------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c
index 443acb11f907..209f967dedaa 100644
--- a/tools/lib/lockdep/lockdep.c
+++ b/tools/lib/lockdep/lockdep.c
@@ -12,4 +12,14 @@ u32 prandom_u32(void)
 	abort();
 }
 
+static struct new_utsname *init_utsname(void)
+{
+	static struct new_utsname n = (struct new_utsname) {
+		.release = "liblockdep",
+		.version = LIBLOCKDEP_VERSION,
+	};
+
+	return &n;
+}
+
 #include "../../../kernel/locking/lockdep.c"
diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h
index d1079034a14d..c157242e0417 100644
--- a/tools/lib/lockdep/uinclude/linux/lockdep.h
+++ b/tools/lib/lockdep/uinclude/linux/lockdep.h
@@ -44,16 +44,6 @@ static inline int debug_locks_off(void)
 #define atomic_t unsigned long
 #define atomic_inc(x) ((*(x))++)
 
-static struct new_utsname *init_utsname(void)
-{
-	static struct new_utsname n = (struct new_utsname) {
-		.release = "liblockdep",
-		.version = LIBLOCKDEP_VERSION,
-	};
-
-	return &n;
-}
-
 #define print_tainted() ""
 #define static_obj(x) 1
 
-- 
2.11.0