[RFC][PATCH v2 11/31] timers: random: Use del_timer_shutdown() before freeing timer

[Steven Rostedt]

From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>

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

Link: https://lore.kernel.org/all/20220407161745.7d6754b3@xxxxxxxxxxxxxxxxxx/

Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: "Jason A. Donenfeld" <Jason@xxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
 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 2fe28eeb2f38..b774fdefc840 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);
+	del_timer_shutdown(&stack.timer);
 	destroy_timer_on_stack(&stack.timer);
 	mix_pool_bytes(&stack.entropy, sizeof(stack.entropy));
 }
-- 
2.35.1