hsr_get_seq_block
EXPORT_SYMBOL_IF_KUNIT(hsr_get_seq_block);
merge_blk = hsr_get_seq_block(node_real, src_blk->block_idx);
block = hsr_get_seq_block(node, block_idx);
struct hsr_seq_block *hsr_get_seq_block(struct hsr_node *node, u16 block_idx);
block = hsr_get_seq_block(&data->node, block_idx);
block = hsr_get_seq_block(&data->node, block_idx);