[PATCH] infiniband: nes: Fix more direct skb list accesses.
From: David Miller <davem@davemloft.net>
Date: 2018-11-10 15:19:37
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
The following: skb = skb->next; ... if (skb == (struct sk_buff *)queue) is transformed into: skb = skb_peek_next(skb, queue); ... if (!skb) Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/infiniband/hw/nes/nes_mgt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c
index e96ffff61c3a..fc0c191014e9 100644
--- a/drivers/infiniband/hw/nes/nes_mgt.c
+++ b/drivers/infiniband/hw/nes/nes_mgt.c@@ -223,11 +223,11 @@ static struct sk_buff *nes_get_next_skb(struct nes_device *nesdev, struct nes_qp } old_skb = skb; - skb = skb->next; + skb = skb_peek_next(skb, &nesqp->pau_list); skb_unlink(old_skb, &nesqp->pau_list); nes_mgt_free_skb(nesdev, old_skb, PCI_DMA_TODEVICE); nes_rem_ref_cm_node(nesqp->cm_node); - if (skb == (struct sk_buff *)&nesqp->pau_list) + if (!skb) goto out; } return skb;
--
2.19.1