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RDMA/bnxt_re: check create_singlethread_workqueue() in DCB setup

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bnxt_re_init_dcb_wq() ignores a failed allocation. The async DCB
handler later calls queue_work() on the NULL pointer.

Fixes: 51dc5312dc ("RDMA/bnxt_re: Add support to handle DCB_CONFIG_CHANGE event")
Signed-off-by: Linkai Gong <gonglinkai@kylinos.cn>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Linkai Gong 2026-08-21 17:09:08 +08:00 committed by Leon Romanovsky
parent a8fe3dfce8
commit 6c368f7baa
1 changed files with 8 additions and 2 deletions
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10
drivers/infiniband/hw/bnxt_re/main.c
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@ -356,9 +356,13 @@ static int bnxt_re_update_qp1_tos_dscp(struct bnxt_re_dev *rdev)
return bnxt_qplib_modify_qp(&rdev->qplib_res, &qp->qplib_qp);
}
static void bnxt_re_init_dcb_wq(struct bnxt_re_dev *rdev)
static int bnxt_re_init_dcb_wq(struct bnxt_re_dev *rdev)
{
rdev->dcb_wq = create_singlethread_workqueue("bnxt_re_dcb_wq");
if (!rdev->dcb_wq)
return -ENOMEM;
return 0;
}
static void bnxt_re_uninit_dcb_wq(struct bnxt_re_dev *rdev)
@ -2339,7 +2343,9 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 op_type)
}
bnxt_re_debugfs_add_pdev(rdev);
bnxt_re_init_dcb_wq(rdev);
rc = bnxt_re_init_dcb_wq(rdev);
if (rc)
goto fail;
bnxt_re_net_register_async_event(rdev);
if (!rdev->is_virtfn)