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| author |   Kangjie Lu <kjlu@umn.edu> | 2019-03-11 01:53:15 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-03-11 16:16:22 -0700 |
| commit | 4280b73092fe136d412db9e8e0d69cbc753cdac6 (patch) | |
| tree | 90ff56d2a78c023c441717a05f13ea626439119a | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf (diff) | |
| download | linux-dev-4280b73092fe136d412db9e8e0d69cbc753cdac6.tar.xz linux-dev-4280b73092fe136d412db9e8e0d69cbc753cdac6.zip | |
net: qlge: fix a potential NULL pointer dereference
In case alloc_ordered_workqueue fails, the fix returns
-ENOMEM to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlge/qlge_main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 096515c27263..07e1c623048e 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4681,6 +4681,11 @@ static int ql_init_device(struct pci_dev *pdev, struct net_device *ndev, */ qdev->workqueue = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, ndev->name); + if (!qdev->workqueue) { + err = -ENOMEM; + goto err_out2; + } + INIT_DELAYED_WORK(&qdev->asic_reset_work, ql_asic_reset_work); INIT_DELAYED_WORK(&qdev->mpi_reset_work, ql_mpi_reset_work); INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work); |