RDMA/ucma: Add .nodename/.mode to tell userspace where to create device node

We want udev to create a device node under /dev/infiniband with
permission 0666 for rdma_cm, so add that info to our struct miscdevice.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>

diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index b3fa798..3170899 100644 (file)
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1338,9 +1338,11 @@ static const struct file_operations ucma_fops = {
 };
 
 static struct miscdevice ucma_misc = {
-       .minor  = MISC_DYNAMIC_MINOR,
-       .name   = "rdma_cm",
-       .fops   = &ucma_fops,
+       .minor          = MISC_DYNAMIC_MINOR,
+       .name           = "rdma_cm",
+       .nodename       = "infiniband/rdma_cm",
+       .mode           = 0666,
+       .fops           = &ucma_fops,
 };
 
 static ssize_t show_abi_version(struct device *dev,