In the alloc_ep_skb_list() failure path, the c4iw_put_ep() is
incorrectly used instead of the kfree(). Since the child_ep's
reference count hasn't been properly established at this point,
the c4iw_put_ep() won't actually free the memory, resulting in
permanent memory leak.
Fix by releasing child_ep correctly in the fail path.
Fixes: 4a740838bf44 ("RDMA/iw_cxgb4: Low resource fixes for connection manager")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
---
drivers/infiniband/hw/cxgb4/cm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b3b45c49077d..a09eeb48775f 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2665,7 +2665,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
}
goto out;
fail:
- c4iw_put_ep(&child_ep->com);
+ kfree(child_ep);
reject:
reject_cr(dev, hwtid, skb);
out:
--
2.34.1