IB/ipath: Disable IB link earlier in shutdown sequence
Move the code that shuts down the IB link earlier in the unload
process, to be sure no new packets can arrive while we are unloading.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 13b9785..e3a2232 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -536,8 +536,6 @@
{
int port;
- ipath_shutdown_device(dd);
-
if (*dd->ipath_statusp & IPATH_STATUS_CHIP_PRESENT) {
/* can't do anything more with chip; needs re-init */
*dd->ipath_statusp &= ~IPATH_STATUS_CHIP_PRESENT;
@@ -634,6 +632,12 @@
ipath_cdbg(VERBOSE, "removing, pdev=%p, dd=%p\n", pdev, dd);
+ /*
+ * disable the IB link early, to be sure no new packets arrive, which
+ * complicates the shutdown process
+ */
+ ipath_shutdown_device(dd);
+
if (dd->verbs_dev)
ipath_unregister_ib_device(dd->verbs_dev);