From: Julian Wiedmann <jwi@linux.ibm.com>
Date: Thu, 31 Oct 2019 13:42:17 +0100
Subject: s390/qeth: keep IRQ disabled until NAPI is really done
Git-commit: f9ce416ac79dce142fefd24422c9bf41b60fc6cc
Patch-mainline: v5.5-rc1
References: jsc#SLE-7474
When napi_complete_done() returns false, the NAPI instance is still
active and we can keep the IRQ disabled a little longer.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/s390/net/qeth_core_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5213,9 +5213,9 @@ int qeth_poll(struct napi_struct *napi,
}
}
- napi_complete_done(napi, work_done);
- if (qdio_start_irq(card->data.ccwdev, 0))
- napi_schedule(&card->napi);
+ if (napi_complete_done(napi, work_done) &&
+ qdio_start_irq(CARD_DDEV(card), 0))
+ napi_schedule(napi);
out:
return work_done;
}