From: Parav Pandit <parav@xxxxxxxxxxxx>
If valid netdevice is not found for RoCE, GID table should not be
searched with NULL netdevice.
Fixes: abae1b71dd37 ("IB/cma: cma_validate_port should verify the port and netdevice")
Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Reviewed-by: Mark Bloch <markb@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/infiniband/core/cma.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 169d3a3bbf71..683428cffd54 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -624,11 +624,13 @@ static inline int cma_validate_port(struct ib_device *device, u8 port,
if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port))
return ret;
- if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port))
+ if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) {
ndev = dev_get_by_index(&init_net, bound_if_index);
- else
+ if (!ndev)
+ return ret;
+ } else {
gid_type = IB_GID_TYPE_IB;
-
+ }
ret = ib_find_cached_gid_by_port(device, gid, gid_type, port,
ndev, NULL);
--
2.15.1
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