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| author |   Jason Gunthorpe <jgg@mellanox.com> | 2020-03-13 09:33:26 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-17 20:15:03 -0300 |
| commit | 8a6c61704746d3a1e004e054504ae8d98ed95697 (patch) | |
| tree | 0c19cc0ea6c64722ef481f45d489ff8c3e247708 /drivers/infiniband/hw/bnxt_re/main.c | |
| parent | RDMA/bnxt_re: Use ib_device_try_get() (diff) | |
| download | linux-dev-8a6c61704746d3a1e004e054504ae8d98ed95697.tar.xz linux-dev-8a6c61704746d3a1e004e054504ae8d98ed95697.zip | |
RDMA/bnxt_re: Fix lifetimes in bnxt_re_task
A work queue cannot just rely on the ib_device not being freed, it must
hold a kref on the memory so that the BNXT_RE_FLAG_IBDEV_REGISTERED check
works.
Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://lore.kernel.org/r/1584117207-2664-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/main.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 885127c1e81b..c494e11c3fe3 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1670,6 +1670,7 @@ static void bnxt_re_task(struct work_struct *work) smp_mb__before_atomic(); atomic_dec(&rdev->sched_count); exit: + put_device(&rdev->ibdev.dev); kfree(re_work); } @@ -1735,6 +1736,7 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier, /* Allocate for the deferred task */ re_work = kzalloc(sizeof(*re_work), GFP_ATOMIC); if (re_work) { + get_device(&rdev->ibdev.dev); re_work->rdev = rdev; re_work->event = event; re_work->vlan_dev = (real_dev == netdev ? |