From: Huazhong Tan <tanhuazhong@huawei.com>
Date: Tue, 18 Dec 2018 19:37:53 +0800
Subject: net: hns3: fix incomplete uninitialization of IRQ in the
hns3_nic_uninit_vector_data()
Patch-mainline: v5.0-rc1
Git-commit: ae6017a71115ebc4e5c1a3f0f451319ab3f5c447
References: bsc#1104353 FATE#326415
In the hns3_nic_uninit_vector_data(), the procedure of uninitializing
the tqp_vector's IRQ has not set affinity_notify to NULL and changes
its init flag. This patch fixes it. And for simplificaton, local
variable tqp_vector is used instead of priv->tqp_vector[i].
Fixes: 424eb834a9be ("net: hns3: Unified HNS3 {VF|PF} Ethernet Driver for hip08 SoC")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3181,12 +3181,12 @@ static int hns3_nic_uninit_vector_data(s
hns3_free_vector_ring_chain(tqp_vector, &vector_ring_chain);
- if (priv->tqp_vector[i].irq_init_flag == HNS3_VECTOR_INITED) {
- (void)irq_set_affinity_hint(
- priv->tqp_vector[i].vector_irq,
- NULL);
- free_irq(priv->tqp_vector[i].vector_irq,
- &priv->tqp_vector[i]);
+ if (tqp_vector->irq_init_flag == HNS3_VECTOR_INITED) {
+ irq_set_affinity_notifier(tqp_vector->vector_irq,
+ NULL);
+ irq_set_affinity_hint(tqp_vector->vector_irq, NULL);
+ free_irq(tqp_vector->vector_irq, tqp_vector);
+ tqp_vector->irq_init_flag = HNS3_VECTOR_NOT_INITED;
}
priv->ring_data[i].ring->irq_init_flag = HNS3_VECTOR_NOT_INITED;