From: "Steven Rostedt (Google)" <rostedt@goodmis.org>

Before a timer is freed, timer_shutdown_sync() must be called.

Link: https://lore.kernel.org/all/20220407161745.7d6754b3@gandalf.local.home/

Cc: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
 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 69754155300e..943b4b2712a5 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1233,7 +1233,7 @@ static void __cold try_to_generate_entropy(void)
 		stack.entropy = random_get_entropy();
 	}
 
-	del_timer_sync(&stack.timer);
+	timer_shutdown_sync(&stack.timer);
 	destroy_timer_on_stack(&stack.timer);
 	mix_pool_bytes(&stack.entropy, sizeof(stack.entropy));
 }
-- 
2.35.1