From: Fernando Guzman Lugo <x0095840@xxxxxx>
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@xxxxxx>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx>
---
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
--
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