diff options
| author | Yonatan Cohen <[email protected]> | 2017-01-19 15:25:59 +0200 |
|---|---|---|
| committer | Doug Ledford <[email protected]> | 2017-01-24 16:17:32 -0500 |
| commit | 2d4b21e0a2913612274a69a3ba1bfee4cffc6e77 (patch) | |
| tree | 595ca21e04b7db8f27e5e178753ff1b0ba677e77 | |
| parent | f39f775218a7520e3700de2003c84a042c3b5972 (diff) | |
IB/rxe: Prevent from completer to operate on non valid QP
On UD QP completer tasklet is scheduled for each packet sent.
If it is followed by a destroy_qp(), the kernel panic will
happen as the completer tries to operate on a destroyed QP.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <[email protected]>
Reviewed-by: Moni Shoua <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_qp.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index 486d576e55bc..44b2108253bd 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -813,8 +813,7 @@ void rxe_qp_destroy(struct rxe_qp *qp) del_timer_sync(&qp->rnr_nak_timer); rxe_cleanup_task(&qp->req.task); - if (qp_type(qp) == IB_QPT_RC) - rxe_cleanup_task(&qp->comp.task); + rxe_cleanup_task(&qp->comp.task); /* flush out any receive wr's or pending requests */ __rxe_do_task(&qp->req.task); |