Merge: RHEL-113425: net/mlx5: Not returning mlx5_link_info table when speed is unknown

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/1433

JIRA: https://issues.redhat.com/browse/RHEL-113425

Tested: functionally tested on Azure VM.

Signed-off-by: Li Tian <litian@redhat.com>

Approved-by: Michal Schmidt <mschmidt@redhat.com>
Approved-by: Kamal Heib <kheib@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: CKI GitLab Kmaint Pipeline Bot <26919896-cki-kmaint-pipeline-bot@users.noreply.gitlab.com>

Author: CKI KWF Bot

drivers/net/ethernet/mellanox/mlx5/core/port.c

@@ -1150,7 +1150,11 @@ const struct mlx5_link_info *mlx5_port_ptys2info(struct mlx5_core_dev *mdev,
 	mlx5e_port_get_link_mode_info_arr(mdev, &table, &max_size,
 					  force_legacy);
 	i = find_first_bit(&temp, max_size);
-	if (i < max_size)
+
+	/* mlx5e_link_info has holes. Check speed
+	 * is not zero as indication of one.
+	 */
+	if (i < max_size && table[i].speed)
 		return &table[i];
 
 	return NULL;