From 0cffef48ebf5060f749d8b04ab0437a4ba009e77 Mon Sep 17 00:00:00 2001 From: Frank Blaschka Date: Mon, 8 Nov 2010 03:03:49 +0000 Subject: [PATCH] qeth: fix race condition during device startup QDIO is running independent from netdevice state. We are not allowed to schedule NAPI in case the netdevice is not open. Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_core_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 09ab6a2d3e49..e6b2df0e73f5 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2903,7 +2903,7 @@ void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, { struct qeth_card *card = (struct qeth_card *)card_ptr; - if (card->dev) + if (card->dev && (card->dev->flags & IFF_UP)) napi_schedule(&card->napi); } EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); -- 2.34.1