drivers/char/random.c: make primary_crng static

commit 764ed189c82090c1d85f0e30636156736d8f09a8 upstream.

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@rasmusvillemoes.dk>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/char/random.c b/drivers/char/random.c
index b5a6437f5026cda59d002faac06792bd852ab281..7712b44740fcc6c1c8472142e7e7a3c908692e8e 100644 (file)
--- 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),
 };