linux-kernel - [PATCH 7/8] liblockdep: Fix 'defined but not used' warning for init

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Message-ID: <1469847222-21313-8-git-send-email-alexander.levin@verizon.com>
Date:	Fri, 29 Jul 2016 23:02:14 -0400
From:	"Levin, Alexander" <alexander.levin@...izon.com>
To:	"mingo@...hat.com" <mingo@...hat.com>,
	"peterz@...radead.org" <peterz@...radead.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	"Levin, Alexander" <alexander.levin@...izon.com>
Subject: [PATCH 7/8] 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 <alexander.levin@...izon.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 443acb1..209f967 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 d107903..c157242 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
 
-- 
2.7.4