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[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>
This commit is contained in:
Roland Dreier 2005-10-03 09:32:33 -07:00
parent f575394f1d
commit 116c0074ec
1 changed files with 12 additions and 0 deletions
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12
drivers/infiniband/core/device.c
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@ -514,6 +514,12 @@ int ib_query_port(struct ib_device *device,
u8 port_num, u8 port_num,
struct ib_port_attr *port_attr) 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); return device->query_port(device, port_num, port_attr);
} }
EXPORT_SYMBOL(ib_query_port); EXPORT_SYMBOL(ib_query_port);
@ -583,6 +589,12 @@ int ib_modify_port(struct ib_device *device,
u8 port_num, int port_modify_mask, u8 port_num, int port_modify_mask,
struct ib_port_modify *port_modify) 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, return device->modify_port(device, port_num, port_modify_mask,
port_modify); port_modify);
} }