[PATCH 02/10] Mailbox: flush pending deferred works before freeing blk queue

[Hiroshi DOYU]

From: Fernando Guzman Lugo <x0095840 at ti.com>

flush pending deferred works before freeing blk_queue to prevent
any attempt of access to blk_queue after it was freed

Signed-off-by: Fernando Guzman Lugo <x0095840 at ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU at nokia.com>
---
 arch/arm/plat-omap/mailbox.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index 252a586..77c23f5 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -299,6 +299,8 @@ static int omap_mbox_startup(struct omap_mbox *mbox)
 static void omap_mbox_fini(struct omap_mbox *mbox)
 {
 	free_irq(mbox->irq, mbox);
+	tasklet_kill(&mbox->txq->tasklet);
+	flush_work(&mbox->rxq->work);
 	mbox_queue_free(mbox->txq);
 	mbox_queue_free(mbox->rxq);
 
-- 
1.7.1.rc1