[PATCHv5 4/4] mailbox: Fix deleteing poll timer

[Jassi Brar]

From: LeyFoon Tan <lftan.linux@xxxxxxxxx>

Try to delete the timer only if it was init/used.

Signed-off-by: LeyFoon Tan <lftan.linux@xxxxxxxxx>
Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
---
 drivers/mailbox/mailbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index befb256..d83d12c 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -475,7 +475,8 @@ void mbox_controller_unregister(struct mbox_controller *mbox)
 	for (i = 0; i < mbox->num_chans; i++)
 		mbox_free_channel(&mbox->chans[i]);
 
-	del_timer_sync(&mbox->poll);
+	if (mbox->txdone_poll)
+		del_timer_sync(&mbox->poll);
 
 	mutex_unlock(&con_mutex);
 }
-- 
1.8.1.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/