From: Mark Zhang <markz@xxxxxxxxxxxx>
The "modprobe -r mlx4_en" will close bond slaves and in such
case the rdma_dev would be NULL, so no match should be returned.
Fixes: 408f1242d940 ("IB/core: Delete lower netdevice default GID entries in bonding scenario")
Signed-off-by: Mark Zhang <markz@xxxxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/roce_gid_mgmt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 25d43c8f1c2a..558de0b9895c 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -267,6 +267,9 @@ is_upper_ndev_bond_master_filter(struct ib_device *ib_dev, u8 port,
struct net_device *cookie_ndev = cookie;
bool match = false;
+ if (!rdma_ndev)
+ return false;
+
rcu_read_lock();
if (netif_is_bond_master(cookie_ndev) &&
rdma_is_upper_dev_rcu(rdma_ndev, cookie_ndev))
--
2.19.1
