linux-kernel - [PATCH 3/3] drivers/char/random.c: make primary

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Date:   Fri,  2 Nov 2018 12:04:47 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     "Theodore Ts'o" <tytso@....edu>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] drivers/char/random.c: make primary_crng static

Since the definition of struct crng_state is private to random.c, and
primary_crng is neither declared or used elsewhere, there's no reason
for that symbol to have external linkage.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 drivers/char/random.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 1b2e1580b4b5..0a381897e4a5 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -415,7 +415,7 @@ struct crng_state {
 	spinlock_t	lock;
 };
 
-struct crng_state primary_crng = {
+static struct crng_state primary_crng = {
 	.lock = __SPIN_LOCK_UNLOCKED(primary_crng.lock),
 };
 
-- 
2.19.1.6.gbde171bbf5