git: a4b27295c71e - stable/13 - ibcore: Validate port number in query_pkey verb.

[Hans Petter Selasky]

The branch stable/13 has been updated by hselasky:

URL: https://cgit.FreeBSD.org/src/commit/?id=a4b27295c71ea05b54f07b574018469a14ea68dd

commit a4b27295c71ea05b54f07b574018469a14ea68dd
Author:     Hans Petter Selasky <hselasky at FreeBSD.org>
AuthorDate: 2021-06-16 13:01:42 +0000
Commit:     Hans Petter Selasky <hselasky at FreeBSD.org>
CommitDate: 2021-07-26 16:04:30 +0000

    ibcore: Validate port number in query_pkey verb.
    
    Before calling the driver's function let's make sure port is valid.
    
    Linux commit:
    9af3f5cf9d64a056eca53bc643f6288ad28bbbb5
    
    Reviewed by:    kib
    Sponsored by:   Mellanox Technologies // NVIDIA Networking
    
    (cherry picked from commit 31525faed8b43c579767cf3ac211f41764b2a46c)
---
 sys/ofed/drivers/infiniband/core/ib_device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/ofed/drivers/infiniband/core/ib_device.c b/sys/ofed/drivers/infiniband/core/ib_device.c
index 8c6a2d9f1a8a..8ce1127db639 100644
--- a/sys/ofed/drivers/infiniband/core/ib_device.c
+++ b/sys/ofed/drivers/infiniband/core/ib_device.c
@@ -809,6 +809,9 @@ void ib_cache_gid_del_all_by_netdev(struct ifnet *ndev)
 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);