Don't hang a host thread if the FW stops responding.
Signed-off-by: Steve Wise <[email protected]>
---
drivers/infiniband/hw/cxgb4/cm.c | 22 ++++++++++++++++++----
1 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index bc3f9f0..296aa2c 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2050,8 +2050,15 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int
backlog)
goto fail3;
/* wait for pass_open_rpl */
- wait_event(ep->com.waitq, ep->com.rpl_done);
- err = ep->com.rpl_err;
+ wait_event_timeout(ep->com.waitq, ep->com.rpl_done, C4IW_WR_TO);
+ if (ep->com.rpl_done)
+ err = ep->com.rpl_err;
+ else {
+ printk(KERN_ERR MOD "Device %s not responding!\n",
+ pci_name(ep->com.dev->rdev.lldi.pdev));
+ ep->com.dev->rdev.flags = T4_FATAL_ERROR;
+ err = -EIO;
+ }
if (!err) {
cm_id->provider_data = ep;
goto out;
@@ -2080,10 +2087,17 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
err = listen_stop(ep);
if (err)
goto done;
- wait_event(ep->com.waitq, ep->com.rpl_done);
+ wait_event_timeout(ep->com.waitq, ep->com.rpl_done, C4IW_WR_TO);
+ if (ep->com.rpl_done)
+ err = ep->com.rpl_err;
+ else {
+ printk(KERN_ERR MOD "Device %s not responding!\n",
+ pci_name(ep->com.dev->rdev.lldi.pdev));
+ ep->com.dev->rdev.flags = T4_FATAL_ERROR;
+ err = -EIO;
+ }
cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid, PF_INET);
done:
- err = ep->com.rpl_err;
cm_id->rem_ref(cm_id);
c4iw_put_ep(&ep->com);
return err;
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
