From 9af3f5cf9d64a056eca53bc643f6288ad28bbbb5 Mon Sep 17 00:00:00 2001 From: Yuval Shaia Date: Thu, 6 Dec 2018 14:48:18 +0200 Subject: 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 Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/device.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/infiniband/core') diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 0027b0d79b09..348a7fb1f945 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -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); -- cgit v1.2.3-59-g8ed1b