Before calling the driver's function let's make sure port is valid.
Signed-off-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
---
drivers/infiniband/core/device.c | 3 +++
1 file changed, 3 insertions(+)
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);
--
2.19.2
