net/mlx5: Replace kfree with kvfree

Variable allocated by kvmalloc should not be freed by kfree.
Because it may be allocated by vmalloc.
So replace kfree with kvfree here.

Fixes: 9b1f2982 ("net/mlx5: Add support for FW fatal reporter dump")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -597,7 +597,7 @@ mlx5_fw_fatal_reporter_dump(struct devlink_health_reporter *reporter,
 	err = devlink_fmsg_arr_pair_nest_end(fmsg);
 
 free_data:
-	kfree(cr_data);
+	kvfree(cr_data);
 	return err;
 }