diff options
| author |   Yonatan Cohen <yonatanc@mellanox.com> | 2017-01-19 15:25:59 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-01-24 16:17:32 -0500 |
| commit | 2d4b21e0a2913612274a69a3ba1bfee4cffc6e77 (patch) | |
| tree | 595ca21e04b7db8f27e5e178753ff1b0ba677e77 /drivers/infiniband | |
| parent | IB/rxe: Fix rxe dev insertion to rxe_dev_list (diff) | |
| download | linux-dev-2d4b21e0a2913612274a69a3ba1bfee4cffc6e77.tar.xz linux-dev-2d4b21e0a2913612274a69a3ba1bfee4cffc6e77.zip | |
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 <yonatanc@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -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); |