| Message ID | 14630f74e585eb9cd5905d0b1eab98fd9170c90f.1505510827.git.swise@opengridcomputing.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 6d85a5d..d76bfe3 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2333,9 +2333,14 @@ static int close_listsrv_rpl(struct c4iw_dev *dev, struct sk_buff *skb) unsigned int stid = GET_TID(rpl); struct c4iw_listen_ep *ep = get_ep_from_stid(dev, stid); + if (!ep) { + pr_debug("%s stid %d lookup failure!\n", __func__, stid); + goto out; + } pr_debug("%s ep %p\n", __func__, ep); c4iw_wake_up(&ep->com.wr_wait, status2errno(rpl->status)); c4iw_put_ep(&ep->com); +out: return 0; }
If the thread waiting for a CLOSE_LISTSRV_RPL times out and bails, then we need to handle a subsequent CPL if it arrives and the stid has been released. In this case silently drop it. Cc: stable@vger.kernel.org Signed-off-by: Steve Wise <swise@opengridcomputing.com> --- drivers/infiniband/hw/cxgb4/cm.c | 5 +++++ 1 file changed, 5 insertions(+)