diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_verbs.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index c56d5d44c53b..b72a753eb41d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -145,10 +145,20 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) int ret, size; int i; + /* + * the various IPoIB tasks assume they will never race against + * themselves, so always use a single thread workqueue + */ + priv->wq = create_singlethread_workqueue("ipoib_wq"); + if (!priv->wq) { + printk(KERN_WARNING "ipoib: failed to allocate device WQ\n"); + return -ENODEV; + } + priv->pd = ib_alloc_pd(priv->ca); if (IS_ERR(priv->pd)) { printk(KERN_WARNING "%s: failed to allocate PD\n", ca->name); - return -ENODEV; + goto out_free_wq; } priv->mr = ib_get_dma_mr(priv->pd, IB_ACCESS_LOCAL_WRITE); @@ -242,6 +252,10 @@ out_free_mr: out_free_pd: ib_dealloc_pd(priv->pd); + +out_free_wq: + destroy_workqueue(priv->wq); + priv->wq = NULL; return -ENODEV; } @@ -270,6 +284,12 @@ void ipoib_transport_dev_cleanup(struct net_device *dev) if (ib_dealloc_pd(priv->pd)) ipoib_warn(priv, "ib_dealloc_pd failed\n"); + + if (priv->wq) { + flush_workqueue(priv->wq); + destroy_workqueue(priv->wq); + priv->wq = NULL; + } } void ipoib_event(struct ib_event_handler *handler, |