diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2017-09-05 20:52:33 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-09-22 18:59:42 +0200 |
| commit | 3c8415cc7aff467faba25841fb859660ac14a04e (patch) | |
| tree | 0c11c4638161f884dffeea6efad5a27b8da73dba /drivers/infiniband/hw/cxgb4/cm.c | |
| parent | iw_cxgb4: put ep reference in pass_accept_req() (diff) | |
| download | linux-3c8415cc7aff467faba25841fb859660ac14a04e.tar.xz linux-3c8415cc7aff467faba25841fb859660ac14a04e.zip | |
iw_cxgb4: drop listen destroy replies if no ep found
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>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/cm.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 83322dbc4711..19297e408820 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; } |