diff options
Diffstat (limited to 'drivers/infiniband/core/cma.c')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index bb7bd024f3bd..2dc302a83014 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -4900,6 +4900,17 @@ static void cma_process_remove(struct cma_device *cma_dev) wait_for_completion(&cma_dev->comp); } +static bool cma_supported(struct ib_device *device) +{ + u32 i; + + rdma_for_each_port(device, i) { + if (rdma_cap_ib_cm(device, i) || rdma_cap_iw_cm(device, i)) + return true; + } + return false; +} + static int cma_add_one(struct ib_device *device) { struct rdma_id_private *to_destroy; @@ -4909,6 +4920,9 @@ static int cma_add_one(struct ib_device *device) int ret; u32 i; + if (!cma_supported(device)) + return -EOPNOTSUPP; + cma_dev = kmalloc(sizeof(*cma_dev), GFP_KERNEL); if (!cma_dev) return -ENOMEM; |