firewire: improve refcounting of fw_card
Take a reference to the card whenever fw_card_bm_work() is scheduled on
that card and release it when the work is done. This allows us to
remove the cancel_delayed_work_sync() in fw_core_remove_card().
Signed-off-by: Jay Fenlason <fenlason@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (patch update)
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 839466f0..0497a18 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -278,6 +278,8 @@
kref_put(&card->kref, fw_card_release);
}
+extern void fw_schedule_bm_work(struct fw_card *card, unsigned long delay);
+
/*
* The iso packet format allows for an immediate header/payload part
* stored in 'header' immediately after the packet info plus an