[PATCH] RDMA/cxgb4: fix dst refcount leak in pass_accept_req() error path

[Wentao Liang]

Add missing dst_release() when alloc_ep_skb_list() fails to prevent
reference count leak of the dst obtained from route lookup.

Fixes: 4a740838bf44 ("RDMA/iw_cxgb4: Low resource fixes for connection manager")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Wentao Liang <vulab@xxxxxxxxxxx>
---
 drivers/infiniband/hw/cxgb4/cm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b3b45c49077d..3490b8920cf0 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2665,6 +2665,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
 	}
 	goto out;
 fail:
+	dst_release(dst);
 	c4iw_put_ep(&child_ep->com);
 reject:
 	reject_cr(dev, hwtid, skb);
-- 
2.34.1