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| 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 | |
| parent | 13a239330abdda5afcb1161fce68ec214af2cc90 (diff) | |
| download | op-kernel-dev-ffc40c6433e763209d2b1ec5b1a9854eb3bcd61c.zip op-kernel-dev-ffc40c6433e763209d2b1ec5b1a9854eb3bcd61c.tar.gz | |
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>
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_hal.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 4dec515..72ed339 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -1034,6 +1034,7 @@ err3: err2: cxio_hal_destroy_ctrl_qp(rdev_p); err1: + rdev_p->t3cdev_p->ulp = NULL; list_del(&rdev_p->entry); return err; } diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c index 5796170..3f0c99d 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; |
