diff options
Diffstat (limited to 'drivers/dma/idxd')
| -rw-r--r-- | drivers/dma/idxd/cdev.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index fd9bbee4cc..57f1bf2ab2 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -592,6 +592,14 @@ static int idxd_user_drv_probe(struct idxd_dev *idxd_dev) if (idxd->state != IDXD_DEV_ENABLED) return -ENXIO; + mutex_lock(&wq->wq_lock); + + if (!idxd_wq_driver_name_match(wq, dev)) { + idxd->cmd_status = IDXD_SCMD_WQ_NO_DRV_NAME; + rc = -ENODEV; + goto wq_err; + } + /* * User type WQ is enabled only when SVA is enabled for two reasons: * - If no IOMMU or IOMMU Passthrough without SVA, userspace @@ -607,14 +615,7 @@ static int idxd_user_drv_probe(struct idxd_dev *idxd_dev) dev_dbg(&idxd->pdev->dev, "User type WQ cannot be enabled without SVA.\n"); - return -EOPNOTSUPP; - } - - mutex_lock(&wq->wq_lock); - - if (!idxd_wq_driver_name_match(wq, dev)) { - idxd->cmd_status = IDXD_SCMD_WQ_NO_DRV_NAME; - rc = -ENODEV; + rc = -EOPNOTSUPP; goto wq_err; } |