aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/core
diff options
context:
space:
mode:
authorRoland Dreier <rolandd@cisco.com>2005-10-03 09:32:33 -0700
committerRoland Dreier <rolandd@cisco.com>2005-10-17 15:20:27 -0700
commit116c0074ecfd6f061570856bec52b691d54dbd3c (patch)
tree0f9524538accf39d965d270d63728ec43a5f26b8 /drivers/infiniband/core
parentf575394f1de9b4afa4b474f1882c7e2d3b8e51d7 (diff)
[IB] Check port number in ib_query_port()/ib_modify_port()
Check port number before passing query_port or modify_port operations on to device driver. Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/device.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index d3cf84e0158..5a6e4497640 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -514,6 +514,12 @@ int ib_query_port(struct ib_device *device,
u8 port_num,
struct ib_port_attr *port_attr)
{
+ if (device->node_type == IB_NODE_SWITCH) {
+ if (port_num)
+ return -EINVAL;
+ } else if (port_num < 1 || port_num > device->phys_port_cnt)
+ return -EINVAL;
+
return device->query_port(device, port_num, port_attr);
}
EXPORT_SYMBOL(ib_query_port);
@@ -583,6 +589,12 @@ int ib_modify_port(struct ib_device *device,
u8 port_num, int port_modify_mask,
struct ib_port_modify *port_modify)
{
+ if (device->node_type == IB_NODE_SWITCH) {
+ if (port_num)
+ return -EINVAL;
+ } else if (port_num < 1 || port_num > device->phys_port_cnt)
+ return -EINVAL;
+
return device->modify_port(device, port_num, port_modify_mask,
port_modify);
}