diff options
| author |   Steve Wise <swise@opengridcomputing.com> | 2009-09-09 11:25:56 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2009-09-09 11:25:56 -0700 |
| commit | ffc40c6433e763209d2b1ec5b1a9854eb3bcd61c (patch) | |
| tree | 05e3ae0b2e1eb031849e8202d1b8a0ace0b22536 /drivers/infiniband/hw/cxgb3/iwch.c | |
| parent | RDMA/cxgb3: Don't ignore insert_handle() failures (diff) | |
| download | linux-dev-ffc40c6433e763209d2b1ec5b1a9854eb3bcd61c.tar.xz linux-dev-ffc40c6433e763209d2b1ec5b1a9854eb3bcd61c.zip | |
RDMA/cxgb3: Clean up properly on FW mismatch failures
FW mismatches can cause a crash in the iw_cxgb3 event handler.
- NULL the t3cdev->ulp pointer on failures in cxio_rdev_open()
- Silently ignore events when the ulp ptr is NULL in iwch_err_handler()
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c index 5796170b0b25..3f0c99daae8c 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.c +++ b/drivers/infiniband/hw/cxgb3/iwch.c @@ -165,10 +165,13 @@ static void close_rnic_dev(struct t3cdev *tdev) static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id) { struct cxio_rdev *rdev = tdev->ulp; - struct iwch_dev *rnicp = rdev_to_iwch_dev(rdev); + struct iwch_dev *rnicp; struct ib_event event; u32 portnum = port_id + 1; + if (!rdev) + return; + rnicp = rdev_to_iwch_dev(rdev); switch (evt) { case OFFLOAD_STATUS_DOWN: { rdev->flags = CXIO_ERROR_FATAL; |