From: Rasmus Villemoes linux@rasmusvillemoes.dk
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 --- drivers/char/random.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -416,7 +416,7 @@ struct crng_state { spinlock_t lock; };
-struct crng_state primary_crng = { +static struct crng_state primary_crng = { .lock = __SPIN_LOCK_UNLOCKED(primary_crng.lock), };