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firewire: Convert timers to use timer_setup()

PATCH New Kees Cook 1 participant 1 message Oct 5, 2017 Firewire

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Kees Cook

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PATCH 1/1 firewire: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly.

Cc Stefan Richter <[email protected]>
Cc Thomas Gleixner <[email protected]>

---
This requires commit 686fef928bba ("timer: Prepare to change timer callback argument type") in v4.14-rc3, but should be otherwise stand-alone.

---
 drivers/firewire/core-transaction.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
drivers/firewire/core-transaction.c +5 -4
index d6a09b9cd8cc..6c4994487d49 100644
@@ -137,9 +137,10 @@ int fw_cancel_transaction(struct fw_card *card,
 }
 EXPORT_SYMBOL(fw_cancel_transaction);
 
-static void split_transaction_timeout_callback(unsigned long data)
+static void split_transaction_timeout_callback(struct timer_list *timer)
 {
-	struct fw_transaction *t = (struct fw_transaction *)data;
+	struct fw_transaction *t = from_timer(t, timer,
+						   split_timeout_timer);
 	struct fw_card *card = t->card;
 	unsigned long flags;
 
@@ -373,8 +374,8 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
 	t->tlabel = tlabel;
 	t->card = card;
 	t->is_split_transaction = false;
-	setup_timer(&t->split_timeout_timer,
-		    split_transaction_timeout_callback, (unsigned long)t);
+	timer_setup(&t->split_timeout_timer,
+		    split_transaction_timeout_callback, 0);
 	t->callback = callback;
 	t->callback_data = callback_data;
 
Signature · 6 lines
2.7.4


-- 
Kees Cook
Pixel Security