FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-22 01:10:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[IB] Check port number in ib_query_port()/ib_modify_port()

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/infiniband/core/device.c
View File

@ -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);
}