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RDMA/core: Validate port number in query_pkey verb 

Before calling the driver's function let's make sure port is valid.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yuval Shaia 2018-12-06 14:48:18 +02:00 committed by Jason Gunthorpe
parent fe15bcc6e2
commit 9af3f5cf9d
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/core/device.c
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@ -1042,6 +1042,9 @@ int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb,
int ib_query_pkey(struct ib_device *device,
u8 port_num, u16 index, u16 *pkey)
{
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
return device->query_pkey(device, port_num, index, pkey);
}
EXPORT_SYMBOL(ib_query_pkey);